x402 List

x402 Protocol Service Directory

Snack Money

Finance

verified 2026-06-21, probe currently failing

Micropayment API — send USDC "Snacks" (tips, rewards) to social identities (X, Farcaster, GitHub, email, domain). Single and batch payments.

Pay from $0.01 per request in USDC on Base / Solana, settled onchain via the x402 protocol, no signup, no API key needed.

UPTIME 24H 0% 7D 0% 30D 6.6%
BASE URL https://api.snack.money WEBSITE https://snack.money ENDPOINTS 3 NETWORK Base / Solana ASSET USDC MEMBER SINCE 2026-01-22 MONITORED SINCE 2026-04-15

ASSESSMENT

updated 2h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 6.6%
uptime 24h
0%
uptime 7d
0%
uptime 30d
6.6%
uptime 90d
69.6%
response p95
610ms
avg response
426ms
total checks
7,164
compliance A (11/11), stale (probe failing)

11 of 11 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.01 (p53 in Finance)
price (min)
$0.01
category percentile (min)
p53 in Finance
endpoints / prices
3 / 1
model
flat
stability
100%
risk clean

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.

traction $0 30d · 0 buyers
volume 30d
$0
buyers 30d
0
settlements 30d
0
last settlement
2026-04-02
top buyer share
-
trend 7d vs 30d
-
networks
eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

A micro-tipping service that allows users to send small payments to Farcaster, GitHub, and X users

category
micro-tipping
in
body
micro-tippingcross-platformpayments

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
POST /payments/farcaster/pay Tip a Farcaster user $0.01 Base/Solana USDC
POST /payments/github/pay Tip a GitHub contributor $0.01 Base/Solana USDC
POST /payments/x/pay Tip an X user $0.01 Base/Solana USDC
3 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to POST /payments/farcaster/pay returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i -X POST 'https://api.snack.money/payments/farcaster/pay'
// 402 response (captured by monitor) · 3 payloads · click to expand
[
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x1D4D0e82b6297b925869037E8568F3A60c0684CC",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "DeXterR2kQm8AvRHnNPatWkE46TfAcMeBDjb6FySoAb8"
        },
        "payTo": "6QNFb4myRTqkUt2jcSKgoy4XvtXrJAh1RYe16tnNrCFg",
        "amount": "10000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://snack.money/payments/x/pay",
      "mimeType": "application/json",
      "description": "Send USDC payment to an X (Twitter) user by username"
    },
    "extensions": {
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "meta": {
              "type": "object",
              "required": false,
              "description": "Optional metadata for the X payment"
            },
            "amount": {
              "type": "number",
              "required": true,
              "description": "Payment amount in USDC to send to X user"
            },
            "currency": {
              "type": "string",
              "required": false,
              "description": "Currency type (optional, defaults to 'USDC')"
            },
            "receiver": {
              "type": "string",
              "required": true,
              "description": "X (Twitter) username of the payment recipient"
            },
            "description": {
              "type": "string",
              "required": false,
              "description": "Optional description of the X payment"
            }
          },
          "discoverable": true
        },
        "output": {
          "type": "object",
          "properties": {
            "msg": {
              "type": "string",
              "description": "Response message"
            },
            "code": {
              "type": "number",
              "description": "Response status code"
            },
            "data": {
              "type": "object",
              "description": "Response data containing transaction details"
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x1D4D0e82b6297b925869037E8568F3A60c0684CC",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "DeXterR2kQm8AvRHnNPatWkE46TfAcMeBDjb6FySoAb8"
        },
        "payTo": "6QNFb4myRTqkUt2jcSKgoy4XvtXrJAh1RYe16tnNrCFg",
        "amount": "10000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://snack.money/payments/github/pay",
      "mimeType": "application/json",
      "description": "Send USDC payment to a GitHub user by username"
    },
    "extensions": {
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "meta": {
              "type": "object",
              "required": false,
              "description": "Optional metadata for the GitHub payment"
            },
            "amount": {
              "type": "number",
              "required": true,
              "description": "Payment amount in USDC to send to GitHub user"
            },
            "currency": {
              "type": "string",
              "required": false,
              "description": "Currency type (optional, defaults to 'USDC')"
            },
            "receiver": {
              "type": "string",
              "required": true,
              "description": "GitHub username of the payment recipient"
            },
            "description": {
              "type": "string",
              "required": false,
              "description": "Optional description of the GitHub payment"
            }
          },
          "discoverable": true
        },
        "output": {
          "type": "object",
          "properties": {
            "msg": {
              "type": "string",
              "description": "Response message"
            },
            "code": {
              "type": "number",
              "description": "Response status code"
            },
            "data": {
              "type": "object",
              "description": "Response data containing transaction details"
            }
          }
        }
      }
    },
    "x402Version": 2
  },
  {
    "error": "PAYMENT-SIGNATURE header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x1D4D0e82b6297b925869037E8568F3A60c0684CC",
        "amount": "10000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "DeXterR2kQm8AvRHnNPatWkE46TfAcMeBDjb6FySoAb8"
        },
        "payTo": "6QNFb4myRTqkUt2jcSKgoy4XvtXrJAh1RYe16tnNrCFg",
        "amount": "10000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://snack.money/payments/farcaster/pay",
      "mimeType": "application/json",
      "description": "Send USDC payment to a Farcaster user by username"
    },
    "extensions": {
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "meta": {
              "type": "object",
              "required": false,
              "description": "Optional metadata for the Farcaster payment"
            },
            "amount": {
              "type": "number",
              "required": true,
              "description": "Payment amount in USDC to send to Farcaster user"
            },
            "currency": {
              "type": "string",
              "required": false,
              "description": "Currency type (optional, defaults to 'USDC')"
            },
            "receiver": {
              "type": "string",
              "required": true,
              "description": "Farcaster username of the payment recipient"
            },
            "description": {
              "type": "string",
              "required": false,
              "description": "Optional description of the Farcaster payment"
            }
          },
          "discoverable": true
        },
        "output": {
          "type": "object",
          "properties": {
            "msg": {
              "type": "string",
              "description": "Response message"
            },
            "code": {
              "type": "number",
              "description": "Response status code"
            },
            "data": {
              "type": "object",
              "description": "Response data containing transaction details"
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

UPTIME

06-21 · uptime 91.3% · 412ms avg06-22 · uptime 0.0%06-23 · uptime 0.0%06-24 · uptime 0.0%06-25 · uptime 0.0%06-26 · uptime 0.0%06-27 · uptime 0.0%06-28 · uptime 0.0%06-29 · uptime 0.0%06-30 · uptime 0.0%07-01 · uptime 0.0%07-02 · uptime 0.0%07-03 · uptime 0.0%07-04 · uptime 0.0%07-05 · uptime 0.0%07-06 · uptime 0.0%07-07 · uptime 0.0%07-08 · uptime 0.0%07-09 · uptime 0.0%07-10 · uptime 0.0%07-11 · uptime 0.0%07-12 · uptime 0.0%07-13 · uptime 0.0%07-14 · uptime 0.0%07-15 · uptime 0.0%07-16 · uptime 0.0%07-17 · uptime 0.0%07-18 · uptime 0.0%07-19 · uptime 0.0%06-20 · uptime 100.0% · 440ms avg06-21 · uptime 91.3% · 412ms avg06-22 · uptime 0.0%06-23 · uptime 0.0%06-24 · uptime 0.0%06-25 · uptime 0.0%06-26 · uptime 0.0%06-27 · uptime 0.0%06-28 · uptime 0.0%06-29 · uptime 0.0%06-30 · uptime 0.0%07-01 · uptime 0.0%07-02 · uptime 0.0%07-03 · uptime 0.0%07-04 · uptime 0.0%07-05 · uptime 0.0%07-06 · uptime 0.0%07-07 · uptime 0.0%07-08 · uptime 0.0%07-09 · uptime 0.0%07-10 · uptime 0.0%07-11 · uptime 0.0%07-12 · uptime 0.0%07-13 · uptime 0.0%07-14 · uptime 0.0%07-15 · uptime 0.0%07-16 · uptime 0.0%07-17 · uptime 0.0%07-18 · uptime 0.0%07-19 · uptime 0.0%06-2007-19
RESPONSE TIME
06-20 · 440ms avg06-20 · 440ms avg06-21 · 412ms avg06-21 · 412ms avg06-22 · 0ms avg06-22 · 0ms avg06-23 · 0ms avg06-23 · 0ms avg06-24 · 0ms avg06-24 · 0ms avg06-25 · 0ms avg06-25 · 0ms avg06-26 · 0ms avg06-26 · 0ms avg06-27 · 0ms avg06-27 · 0ms avg06-28 · 0ms avg06-28 · 0ms avg06-29 · 0ms avg06-29 · 0ms avg06-30 · 0ms avg06-30 · 0ms avg07-01 · 0ms avg07-01 · 0ms avg07-02 · 0ms avg07-02 · 0ms avg07-03 · 0ms avg07-03 · 0ms avg07-04 · 0ms avg07-04 · 0ms avg07-05 · 0ms avg07-05 · 0ms avg07-06 · 0ms avg07-06 · 0ms avg07-07 · 0ms avg07-07 · 0ms avg07-08 · 0ms avg07-08 · 0ms avg07-09 · 0ms avg07-09 · 0ms avg07-10 · 0ms avg07-10 · 0ms avg07-11 · 0ms avg07-11 · 0ms avg07-12 · 0ms avg07-12 · 0ms avg07-13 · 0ms avg07-13 · 0ms avg07-14 · 0ms avg07-14 · 0ms avg07-15 · 0ms avg07-15 · 0ms avg07-16 · 0ms avg07-16 · 0ms avg07-17 · 0ms avg07-17 · 0ms avg07-18 · 0ms avg07-18 · 0ms avg07-19 · 0ms avg07-19 · 0ms avg06-2007-19
30d UPTIME 6.6%
UPTIME 30D 6.6%
AVG RESP 426ms
TOTAL CHECKS 7,180

RECENT CHECKS

TIME STATUS RESP
○ DOWN 128ms
○ DOWN 92ms
○ DOWN 136ms
○ DOWN 93ms
○ DOWN 344ms
○ DOWN 101ms
○ DOWN 80ms
○ DOWN 159ms
○ DOWN 97ms
○ DOWN 122ms
○ DOWN 146ms
○ DOWN 145ms
○ DOWN 172ms
○ DOWN 83ms
○ DOWN 80ms
○ DOWN 145ms
○ DOWN 98ms
○ DOWN 79ms

OVER TIME

All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/snack-money/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted).

PRICE (captured 402, USD)
06-19 · $0.0107-19 · $0.01$0.0106-1907-19

Median across 3 endpoints. Use the selector to isolate one.

SUB-SCORES (uptime + x402 compliance)
07-13 uptime: 26.7% compliance: 92% checks07-14 uptime: 23.4% compliance: 92% checks07-15 uptime: 20.0% compliance: 92% checks07-16 uptime: 16.6% compliance: 92% checks07-17 uptime: 13.2% compliance: 100% checks07-18 uptime: 9.9% compliance: 100% checks07-19 uptime: 6.6% compliance: 100% checksuptimecompliance07-1307-19
VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

11/11 checks pass · grade A · stale (probe failing)
  • 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

EMBED THIS BADGE

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RUN THIS SERVICE?

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