Synthetic Universe
payment-ready until 2026-10-29
Digital goods for humans and AI agents: ambient music, ringtones, wallpapers, sleep club, venue licensing, podcast music, zines.
Payout address changes
The address this service asks to be paid at changed. This listing switches to a new address once the live 402 response has asked for it on every check for 24 hours from the same host, or after an admin review. Volume paid to the previous address stays with this service; volume paid to the new address counts from the date of the change, and daily totals include that whole day.
- Network
- Polygon, USDC
- Previous address
0x4cb662b1aAA109ddD603050a0A39687B1d4A1abB- New address
0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839- Changed
- live 402 since 2026-10-07 01:58:28 UTC, listing updated 2026-10-20 13:11:17 UTC by the monitor
- Endpoints
- 21
- Network
- Arbitrum One, USD Coin
- Previous address
0x4cb662b1aAA109ddD603050a0A39687B1d4A1abB- New address
0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839- Changed
- live 402 since 2026-10-07 01:58:28 UTC, listing updated 2026-10-20 13:11:17 UTC by the monitor
- Endpoints
- 21
- Network
- Avalanche C-Chain, USDC
- Previous address
0x4cb662b1aAA109ddD603050a0A39687B1d4A1abB- New address
0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839- Changed
- live 402 since 2026-10-07 01:58:28 UTC, listing updated 2026-10-20 13:11:17 UTC by the monitor
- Endpoints
- 21
- Network
- Base, USDC
- Previous address
0x4cb662b1aAA109ddD603050a0A39687B1d4A1abB- New address
0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839- Changed
- live 402 since 2026-10-07 01:58:28 UTC, listing updated 2026-10-20 13:11:17 UTC by the monitor
- Endpoints
- 21
- Network
- Solana, USDC
- Previous address
5cCsBsoHKduFhgKF1dd2v2jBx33mCjindrkxSY7UFH4Q- New address
6zHosGzv38LaBwwLfdFZEWsawfEzXBxfmijTGMF69Rqw- Changed
- live 402 since 2026-10-07 01:58:28 UTC, listing updated 2026-10-20 13:11:17 UTC by the monitor
- Endpoints
- 20
Call it x402 v2
x402 v2
- Base URL
- https://pay.brianbooms.com
- Payment
- x402 v2, header channel
$ curl -i 'https://pay.brianbooms.com/api/v1/buy/agent-wallpaper-cosmic-sunrise' An unpaid request returns HTTP 402 with the payment terms. Sign a payment authorization, then retry with the PAYMENT-SIGNATURE header.
Endpoints 31 paid routes on pay.brianbooms.com
23 more in Example 402 response
Prices as captured in the 402 response: median $9.99209 across the 31 endpoints.
Example 402 response
Endpoints and prices
| Method | Path | Description | Price | Network | Asset | 402 channel | Captured |
|---|---|---|---|---|---|---|---|
| GET | / | Agent Wallpaper · Cosmic Sunrise ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.05 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Agent Wallpaper · Golden Godrays ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.05 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Agent Wallpaper · Midnight Drift ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.05 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Agent Wallpaper · Teal Sanctuary ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.05 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | No description | $299.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | No description | $199.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | No description | $99.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | Deep Focus Collection Vol 1 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Calm, spacious ambient for work, study, and deep focus. 320kbps MP3. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $9.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Deep Focus Collection Vol 2 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Second volume of calm, spacious ambient for work, study, and deep focus. 320kbps MP3. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $9.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | No description | $199.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | No description | $49.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | No description | $29.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | No description | $79.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | No description | $199.00 | Avalanche+ | USDC, USD Coin | body | since 09-14 |
| GET | / | Complete Lyrics · 125 Songs (PDF) ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). The full lyric book: all 125 Brian Booms songs in one PDF. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $9.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Ambient Transitions · Bridges & Bumpers ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Bridges, bumpers, and transitions to carry podcast listeners between segments. 256kbps MP3 music beds. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $29.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Podcast Music Bundle · All 3 Packs ($69.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Calm Beginnings + Gentle Endings + Ambient Transitions: 20 podcast music beds. Save $18 vs buying separately. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $69.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Calm Beginnings · Podcast Intro Stingers ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Warm, welcoming stingers to open every podcast episode. 256kbps MP3 music beds. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $29.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Gentle Endings · Podcast Outro Beds ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Soft landing beds for podcast outros and sign-offs. 256kbps MP3 music beds. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $29.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Android Ringtones ($4.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Collection of Brian Booms ambient pieces formatted as Android ringtones. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $4.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | iPhone Ringtones ($4.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Collection of Brian Booms ambient pieces formatted as iPhone ringtones. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $4.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | No description | $29.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-14 |
| GET | / | Sleep Club · Annual Membership ($99.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). A year of deep rest: the complete Deep Sleep Radio library to keep (MP3 320kbps + FLAC) plus the member bonus bundle of extended wind-down edits. $99/year, no auto-renewal, refundable within 14 days. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $99.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Wallpaper · Cosmic Sunrise (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): cosmic sunrise. Instant download, yours to keep. For personal use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Wallpaper · Golden Godrays (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9) in the Synthetic Universe god-rays style. Instant download, yours to keep. For personal use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Wallpaper · Midnight Drift (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): midnight drift. Instant download, yours to keep. For personal use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Synthetic Universe Wallpaper Pack Vol. 1 ($2.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). 4 cosmic desktop wallpapers (16:9) in the Synthetic Universe god-rays style. For personal use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $2.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Wallpaper · Teal Sanctuary (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): teal sanctuary. Instant download, yours to keep. For personal use. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $0.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Wellness Venue License · Annual ($299.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Fill your space with heaven: 12 months of Brian Booms ambient/sleep catalog as in-venue background music, quarterly curated playlist, framed license certificate. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $299.00 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | Synthetic Universe Lyrics Zine Vol. 1 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). 10 songs, full lyrics, cosmic art. 15 pages. Music made with Suno · disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839. | $9.99 | Arbitrum One+ | USDC, USD Coin | header | since 09-28 |
| GET | / | No description | $0.02 | Avalanche+ | USDC, USD Coin | body | since 09-07 |
Payment evidence
402 payload captured at . Check evidence JSON · Measurement methodology.
First of 21 payloads captured by the monitor.
122 lines, scroll inside
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wallpaper-teal-sanctuary",
"tags": [
"wallpaper",
"download",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Wallpaper — Teal Sanctuary (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): teal sanctuary. Instant download, yours to keep. For personal use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
} Other captured 402 responses (20)
Captured payload 2 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "69000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "69002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "69002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "69002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/podcast-bundle",
"tags": [
"podcast",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Podcast Music Bundle — All 3 Packs ($69.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Calm Beginnings + Gentle Endings + Ambient Transitions: 20 podcast music beds. Save $18 vs buying separately. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 3 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/zine-lyrics-vol1",
"tags": [
"zine",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Synthetic Universe Lyrics Zine Vol. 1 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). 10 songs, full lyrics, cosmic art. 15 pages. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 4 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wallpaper-midnight-drift",
"tags": [
"wallpaper",
"download",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Wallpaper — Midnight Drift (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): midnight drift. Instant download, yours to keep. For personal use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 5 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wallpaper-golden-godrays",
"tags": [
"wallpaper",
"download",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Wallpaper — Golden Godrays (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9) in the Synthetic Universe god-rays style. Instant download, yours to keep. For personal use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 6 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/agent-wallpaper-teal-sanctuary",
"tags": [
"wallpaper",
"agent",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Agent Wallpaper — Teal Sanctuary ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 7 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "299000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "299002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "299002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "299002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wellness-venue-license",
"tags": [
"license",
"wellness",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Wellness Venue License — Annual ($299.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Fill your space with heaven: 12 months of Brian Booms ambient/sleep catalog as in-venue background music, quarterly curated playlist, framed license certificate. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 8 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/ringtones-android",
"tags": [
"ringtones",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Android Ringtones ($4.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Collection of Brian Booms ambient pieces formatted as Android ringtones. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 9 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/deep-focus-vol1",
"tags": [
"music",
"focus",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Deep Focus Collection Vol 1 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Calm, spacious ambient for work, study, and deep focus. 320kbps MP3. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 10 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/lyrics-complete-pdf",
"tags": [
"lyrics",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Complete Lyrics — 125 Songs (PDF) ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). The full lyric book: all 125 Brian Booms songs in one PDF. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 11 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/podcast-gentle-endings",
"tags": [
"podcast",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Gentle Endings — Podcast Outro Beds ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Soft landing beds for podcast outros and sign-offs. 256kbps MP3 music beds. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 12 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "2990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "2992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "2992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "2992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wallpaper-pack-vol1",
"tags": [
"wallpaper",
"download",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Synthetic Universe Wallpaper Pack Vol. 1 ($2.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). 4 cosmic desktop wallpapers (16:9) in the Synthetic Universe god-rays style. For personal use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 13 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/agent-wallpaper-midnight-drift",
"tags": [
"wallpaper",
"agent",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Agent Wallpaper — Midnight Drift ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 14 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "4992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/ringtones-iphone",
"tags": [
"ringtones",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "iPhone Ringtones ($4.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Collection of Brian Booms ambient pieces formatted as iPhone ringtones. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 15 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "9992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/deep-focus-vol2",
"tags": [
"music",
"focus",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Deep Focus Collection Vol 2 ($9.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Second volume of calm, spacious ambient for work, study, and deep focus. 320kbps MP3. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 16 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/agent-wallpaper-cosmic-sunrise",
"tags": [
"wallpaper",
"agent",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Agent Wallpaper — Cosmic Sunrise ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 17 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "52090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/agent-wallpaper-golden-godrays",
"tags": [
"wallpaper",
"agent",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Agent Wallpaper — Golden Godrays ($0.05 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Machine purchase: one cosmic wallpaper JPG (16:9). Download URL returned in the settlement response, instantly. For agent use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 18 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/podcast-ambient-transitions",
"tags": [
"podcast",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Ambient Transitions — Bridges & Bumpers ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Bridges, bumpers, and transitions to carry podcast listeners between segments. 256kbps MP3 music beds. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 19 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "99000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "99002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "99002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "99002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/sleep-club-annual",
"tags": [
"membership",
"sleep",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Sleep Club — Annual Membership ($99.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). A year of deep rest: the complete Deep Sleep Radio library to keep (MP3 320kbps + FLAC) plus the member bonus bundle of extended wind-down edits. $99/year, no auto-renewal, refundable within 14 days. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 20 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "990000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "992090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/wallpaper-cosmic-sunrise",
"tags": [
"wallpaper",
"download",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Wallpaper — Cosmic Sunrise (Single) ($0.99 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). One cosmic desktop wallpaper (16:9): cosmic sunrise. Instant download, yours to keep. For personal use. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Captured payload 21 of 21
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29000000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
{
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839",
"amount": "29002090",
"scheme": "exact",
"network": "eip155:43114",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://pay.brianbooms.com/api/v1/buy/podcast-calm-beginnings",
"tags": [
"podcast",
"music",
"steward",
"x402"
],
"iconUrl": "https://brianbooms.com/favicon.ico",
"mimeType": "application/json",
"description": "Calm Beginnings — Podcast Intro Stingers ($29.00 USDC on Base, Polygon, Arbitrum, or Avalanche via x402). Warm, welcoming stingers to open every podcast episode. 256kbps MP3 music beds. Music made with Suno — disclosed. Automatic fulfillment after settlement. Pay to 0xa98e8c6cbc64b7bb30fd0d2015ab24814c661839.",
"serviceName": "Steward"
},
"extensions": {
"share": {
"url": "https://brianbooms.com/rail",
"active": true,
"message": "Know two agents who should be buying here? Point them at https://brianbooms.com/rail"
},
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"format": {
"enum": [
"json"
],
"type": "string"
}
}
},
"output": {
"type": "json"
}
},
"tags": [
"digital-goods",
"license",
"steward",
"x402",
"music"
],
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"json"
],
"type": "string",
"description": "Response format (json only)"
}
},
"additionalProperties": true
},
"iconUrl": "https://brianbooms.com/favicon.ico",
"serviceName": "Steward",
"discoverable": true
},
"market": {
"note": "Open directory of pay-per-use agent APIs — browse listings or list your own in one click.",
"market": "https://x402-market.brianbooms.workers.dev",
"listings": "https://x402-market.brianbooms.workers.dev/api/listings"
}
},
"x402Version": 2
}Can I trust it score from our own monitoring
score from our own monitoring
#33 of 45 in Content. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.
- Reliability
- 98.8% uptime 30d
- Compliance
- A 12/13 checks pass, failing: x402 v2 envelope delivered in the payment-required header
- Price
- $0.02 to $299.00209 p47 in Content
- Risk
- clean no risk flag
- Traction
- $0.51 30d 6 buyers, top buyer 65% (address, not entity)
- Last change
- schema changed 2d ago latest 10 in 30d
12/13 compliance checks
- 402 payload captured
- accepts[] array present
- payTo address recoverable
- payTo at accepts[0].payTo (conformant shape)
- payTo is a valid on-chain address
- atomic price declared
- atomic price in a sane range
- asset (token) address declared
- network resolves to CAIP-2
- payment scheme declared
- served over HTTPS
- declares the current x402 version (2)
- EIP-712 domain parameters present on every EVM entry
- x402 v2 envelope delivered in the payment-required header
402 terms unchanged since 2026-10-20. Last up 2026-10-22.
── Site signals
- homepage reachable
- openapi doc
- pricing page
- llms.txt
- robots.txt
- terms page
How the score works
What the score read on this service: status degraded, 98.8% uptime 30d, 274ms response p95, x402 compliance 12 of 13, $0.02 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.
The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.
Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.
It is a score inside Content, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 45 listings, this one among them: the same 45 the position above is counted against. When the two differ, the field is the wider one, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.
Settled via coinbase ($0.51, 34 tx). Traction is a conservative undercount; first settlement seen 2026-09-27.
All measured facts
What it does
Digital goods for humans and AI agents: ambient music, ringtones, wallpapers, sleep club, venue licensing, podcast music, zines. Pay with USDC on Base via x402 · instant download after payment. 24 products, $0.05–$299.
Synthetic Universe is a listed x402 Content API. Captured payment terms name Arbitrum One, Avalanche, Base, Polygon, Solana. Monitoring and settlement figures below describe the observations available to this directory; an unpaid HTTP 402 check does not prove that a paid call will deliver.
Assessment computed at . Latest service check observed at . Service data JSON · Measurement methodology.
Page rendered at . This response time is separate from the observation and computation times attached to each measurement.
Latest endpoint observation: . Latest price capture: . Prices are recorded quotes, not a promise of availability. Token assets and payment terms are listed separately. Endpoint data JSON · Price history JSON · Measurement methodology.
Assessment computed at . Uptime uses the stated daily-rollup window; response times are in milliseconds, compliance is passed/evaluated checks, and traction is a measured settlement floor. The comparison score is out of 100 within this category. Assessment JSON · Measurement methodology.
Observed daily coverage: 2026-09-23 to 2026-10-22 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. Latest settlement in the assessment: . Uptime and response JSON · Volume JSON · Buyers JSON · Measurement methodology.
Ranked from the measured category pool, refreshed at most once a minute. The comparison has no persisted computation timestamp; the assessment time above belongs to this service only. Ranking API documentation · Ranking methodology.
x402 List home · Services · Content
- uptime · latest daily rollup
- 100%
- uptime 7d
- 100%
- uptime 30d
- 98.8%
- uptime 90d
- 98.2%
- response p95
- 274ms
- avg response
- 180ms
- total checks
- 2,317
Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.
- price (min)
- $0.02
- price (max)
- $299.00209
- category percentile (min)
- p47 in Content
- category percentile (max)
- p99 in Content
- endpoints / prices
- 31 / 22
- model
- tiered
- stability
- 67%
No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.
- domain age
- 43d
- registrar
- Cloudflare, Inc.
- hosting
- custom
- domain created
- 2026-09-06
Identity facts, not a risk score.
- assessment volume 30d
- $0.51
- exact assessment volume 30d (USD)
- 0.51
- assessment recorded at (UTC)
- 2026-10-22T09:03:01.064Z
- buyers 30d
- 6
- settlements 30d
- 34
- measured since
- 2026-09-27 (start of our harvest window)
- last settlement
- 2026-10-20
- top buyer share
- 65% of 30d volume (address, not entity)
- top 3 buyers share
- 92% of 30d volume (addresses, not entities)
- concentrated volume
- no
- trend 7d vs 30d
- 0.63x the 30d daily rate
- networks
- eip155:137, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
- volume all-time
- $0.52
- settlements all-time
- 34
- median settlement 30d
- $0.01
- max settlement 30d
- $0.05
Assessment volume uses the latest 30d assessment. Over time sums daily address snapshots, rounded to cents and refreshed separately. The two sources can differ in timing, precision and shared-address attribution. Amounts use cents for comparison; known sub-cent values keep up to 12 significant digits. The exact stored assessment value is shown above.
Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.
Top buyer share lowers the on-chain traction part of the ranking score behind this page's verdict and /best, by up to half when one address holds all 30d volume. The Recommended and Highest volume sorts of the services list do not use it; they use the Concentrated volume rule instead.
- member since
- 2026-09-07
Recent checks
| Checked at (UTC) | Status | HTTP | Response | Endpoints |
|---|---|---|---|---|
| Online | 402 | 148ms | 21 | |
| Online | 402 | 124ms | 21 | |
| Online | 402 | 137ms | 21 | |
| Online | 402 | 131ms | 21 | |
| Online | 402 | 147ms | 21 | |
| Online | 402 | 164ms | 21 | |
| Online | 402 | 174ms | 21 | |
| Online | 402 | 137ms | 21 | |
| Online | 402 | 136ms | 21 | |
| Online | 402 | 131ms | 21 | |
| Online | 402 | 115ms | 21 | |
| Online | 402 | 128ms | 21 | |
| Online | 402 | 115ms | 21 | |
| Online | 402 | 114ms | 21 | |
| Online | 402 | 196ms | 21 | |
| Online | 402 | 190ms | 21 | |
| Online | 402 | 133ms | 21 | |
| Online | 402 | 221ms | 21 |
Changeslatest 10 in 30d
| Observed at (UTC) | Change | Evidence |
|---|---|---|
| schema changed | schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed | |
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| payout address changed | payout removed payout added | |
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| schema changed | schema removed schema added | |
| schema changed | schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema removed schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added schema added | |
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Amounts are on-wire atomic units in the named asset.
Over time
- Volume 30d
- $0.51
- Uptime
- 7 of 29 completed days below 100%
More charts
09-23 to 10-22* UTC
Scores over time
09-23 to 10-22* UTC
09-23 to 10-22* UTC
09-23 to 10-22* UTC
Scores: one day per column, 09-23 to 10-22*, on the columns of Response time. Uptime held below 100% on some days in this window, including any partial day. Daily readings remain in the Uptime strip and Values. The checklist grew from 11 to 14 checks on 2026-07-28, before this window. Pillar lines use their own low and high. Exact dated readings are available in each readout and in Values.
Each series spans only the dates it has data for. Every series is also served as JSON at /api, /scores, /volume and /buyers.
Values
* today so far, partial (UTC).
The uptime summary counts completed UTC days only. The strip, readouts and table retain today's partial reading.
Daily snapshot total, 30d: $0.52, peak $0.24 on 10-03. The visible 30d total in Traction comes from the latest assessment. These sources can differ in their window, refresh time, cent rounding and shared-address attribution.
Daily address snapshots: 2026-09-23 to 2026-10-22 UTC; * today so far, partial (UTC). Daily snapshots store cents. A recorded $0.00 with settlements cannot distinguish exact zero from volume rounded away. Lost precision is unavailable here.
Settlement volume uses the stored USD valuation of tracked payments; it is distinct from token quantities. USD-pegged assets are valued at 1 USD per token in these rollups. The measured settlement floor does not cover all payments to this service.
Assessment history last recorded at . Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.
| Day | Volume | Buyers | Settlements | Uptime | Response | Compliance | Price percentile | Site signals |
|---|---|---|---|---|---|---|---|---|
| 2026-09-23 | no data | no data | no data | 0% | no data | 12/13 | p46 | 2/6 |
| 2026-09-24 | no data | no data | no data | 0% | no data | 12/13 | p46 | 2/6 |
| 2026-09-25 | no data | no data | no data | 0% | no data | 12/13 | p46 | 2/6 |
| 2026-09-26 | no data | no data | no data | 40% | 68.00ms | 12/13 | p46 | 2/6 |
| 2026-09-27 | $0.05 | 1 | 1 | 100% | 67.18ms | 12/13 | p46 | 3/6 |
| 2026-09-28 | no data | no data | no data | 96.67% | 108.06ms | 12/13 | p48 | 3/6 |
| 2026-09-29 | no data | no data | no data | 100% | 120.84ms | 12/13 | p48 | 3/6 |
| 2026-09-30 | no data | no data | no data | 100% | 121.72ms | 12/13 | p48 | 3/6 |
| 2026-10-01 | $0.05 | 1 | 1 | 100% | 112.69ms | 12/13 | p48 | 3/6 |
| 2026-10-02 | $0.05 | 1 | 1 | 100% | 156.85ms | 12/13 | p48 | 3/6 |
| 2026-10-03 | $0.24 | 3 | 22 | 100% | 291.90ms | 12/13 | p48 | 3/6 |
| 2026-10-04 | no data | no data | no data | 92.13% | 332.20ms | 12/13 | p48 | 3/6 |
| 2026-10-05 | no data | no data | no data | 95.52% | 192.55ms | 12/13 | p44 | 3/6 |
| 2026-10-06 | no data | no data | no data | 100% | 144.00ms | 12/13 | p44 | 3/6 |
| 2026-10-07 | no data | no data | no data | 100% | 190.44ms | 12/13 | p44 | 3/6 |
| 2026-10-08 | no data | no data | no data | 100% | 181.36ms | 12/13 | p44 | 3/6 |
| 2026-10-09 | no data | no data | no data | 100% | 201.76ms | 12/13 | p44 | 3/6 |
| 2026-10-10 | no data | no data | no data | 100% | 162.44ms | 12/13 | p44 | 3/6 |
| 2026-10-11 | $0.05 | 1 | 1 | 100% | 200.20ms | 12/13 | p44 | 3/6 |
| 2026-10-12 | no data | no data | no data | 100% | 253.69ms | 12/13 | p44 | 3/6 |
| 2026-10-13 | no data | no data | no data | 100% | 211.46ms | 12/13 | p44 | 3/6 |
| 2026-10-14 | no data | no data | no data | 100% | 187.63ms | 12/13 | p47 | 3/6 |
| 2026-10-15 | $0.01 | 1 | 1 | 100% | 158.36ms | 12/13 | p47 | 3/6 |
| 2026-10-16 | no data | no data | no data | 100% | 142.22ms | 12/13 | p47 | 3/6 |
| 2026-10-17 | no data | no data | no data | 100% | 267.55ms | 12/13 | p47 | 3/6 |
| 2026-10-18 | $0.01 | 1 | 1 | 100% | 186.97ms | 12/13 | p47 | 3/6 |
| 2026-10-19 | $0.02 | 1 | 2 | 100% | 231.53ms | 12/13 | p47 | 3/6 |
| 2026-10-20 | $0.04 | 1 | 4 | 100% | 163.58ms | 12/13 | p47 | 3/6 |
| 2026-10-21 | no data | no data | no data | 100% | 163.92ms | 12/13 | p47 | 3/6 |
| 2026-10-22* | no data | no data | no data | 100% | 148.90ms | 12/13 | p47 | 3/6 |
Alternatives in Content
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