Pay-per-call API returning crypto market microstructure and risk metrics as JSON (VPIN, Kyle lambda, Roll spread, CVD, Amihud illiquidity, gamma exposure), paid per request in USDC on Base with no API key. Standard metrics $0.05, market summary $0.25.
Pay from $0.05 to $0.25 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.
UPTIME 24H 100% │ 7D 100% │ 30D 100%
ASSESSMENT
updated 21m agoEvidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.
reliability 100%
- uptime 24h
- 100%
- uptime 7d
- 100%
- uptime 30d
- 100%
- uptime 90d
- 100%
- response p95
- 966ms
- avg response
- 507ms
- total checks
- 47
compliance A (11/11)
11 of 11 x402 conformance checks pass. Full checklist below.
price $0.05 to $0.25 (p87 in Data)
- price (min)
- $0.05
- price (max)
- $0.25
- category percentile (min)
- p87 in Data
- category percentile (max)
- p92 in Data
- endpoints / prices
- 10 / 2
- model
- tiered
- 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 $113.25 30d · 8 buyers
- volume 30d
- $113.25
- buyers 30d
- 8
- settlements 30d
- 2,205
- last settlement
- 2026-07-21
- top buyer share
- 83% of 30d volume
- trend 7d vs 30d
- 0.24x the 30d daily rate
- networks
- eip155:8453
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-derivedProvides on-demand crypto market microstructure, risk, prediction-market, Hyperliquid, and on-chain metrics.
- category
- crypto-metrics
- in
- query params
- auth
- none
AI-generated summary. The measured data is never altered by it.
ENDPOINTS
| METHOD | PATH | DESCRIPTION | PRICE | NETWORK | ASSET |
|---|---|---|---|---|---|
| GET | /market/summary | $0.25 | Base | USDC | |
| GET | /metrics/amihud-illiquidity | $0.05 | Base | USDC | |
| GET | /metrics/cvd | $0.05 | Base | USDC | |
| GET | /metrics/kyle-lambda | $0.05 | Base | USDC | |
| GET | /metrics/order-flow-hhi | $0.05 | Base | USDC | |
| GET | /metrics/reversal | $0.05 | Base | USDC | |
| GET | /metrics/roll-spread | $0.05 | Base | USDC | |
| GET | /metrics/trade-intensity | $0.05 | Base | USDC | |
| GET | /metrics/vpin | $0.05 | Base | USDC | |
| GET | /options/gex | $0.05 | Base | USDC |
10 endpoints
REQUEST / RESPONSE EXAMPLE
An unpaid request to GET /market/summary returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.
// request
curl -i 'https://api.dripmetrics.ai/market/summary'
// 402 response (captured by monitor) · 10 payloads · click to expand
[
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "250000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/market/summary",
"mimeType": "application/json",
"description": "DripMetricsAI (https://dripmetrics.ai/) BTC market summary: one x402 call returns deterministic microstructure signals (order flow, VPIN toxicity, Kyle-lambda liquidity, realized vol, dealer gamma, variance risk premium) computed from the live trade tape and Deribit chain, plus a concise AI-written explanation. Hedged historical tendencies only - no price targets, no trade recommendations."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"pair": "BTC-USD",
"window": "30m"
}
},
"output": {
"type": "json",
"example": {
"asOf": "2026-07-15T14:00:00.000Z",
"pair": "BTC",
"source": {
"chain": "https://www.deribit.com/api/v2/public/get_book_summary_by_currency?currency=BTC&kind=option",
"index": "https://www.deribit.com/api/v2/public/get_index_price?index_name=btc_usd",
"trades": "DripMetrics BTC trade cache",
"summary": "Claude (Anthropic), constrained to the deterministic signals in this payload"
},
"window": "30m",
"metrics": {
"vpin": 0.38,
"cvdBase": -212.4,
"kyleLambda": 2.47191e-7,
"vrpVolPoints": 0.062,
"gammaFlipLevel": 104800.5,
"largeTradeShare": 0.22,
"tradesPerMinute": 812.4,
"buySellImbalance": -0.14,
"gexNetUsdPer1Pct": 182000000,
"momentumLogReturn": -0.0021,
"realizedVolAnnualized": 0.52,
"kyleLambdaDollarsPer1Bp": 418387.7
},
"signals": {
"activity": "busy",
"liquidity": "normal",
"orderFlow": "sell-leaning",
"priceTrend": "drifting-lower",
"volatility": "normal",
"dealerGamma": "dampening",
"flowToxicity": "elevated",
"volRiskPremium": "options-rich",
"largeTraderShare": "typical"
},
"summary": "BTC order flow over the last 30 minutes is modestly sell-side, with elevated VPIN pointing to a meaningful informed component in the selling, a configuration historically associated with continued short-term pressure. Liquidity is normal at roughly $418k of flow per basis point. The notable tension is between the tape and the options market: positive dealer gamma tends to dampen moves, and implied vol trades rich to realized. A microstructure-aware trader would watch whether elevated VPIN persists near the gamma flip level around 104,800.",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"lastPrice": 108050.2,
"confidence": 0.94,
"disclaimer": "Informational description of observed market conditions and their historical tendencies; not investment advice or a trade recommendation.",
"sampleSize": {
"trades": 24310,
"optionsInstruments": 612
},
"summaryModel": "claude-opus-4-8"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [],
"properties": {
"pair": {
"enum": [
"BTC",
"BTCUSDT",
"BTC-USD"
],
"type": "string",
"description": "BTC-only in this phase. Optional; defaults to BTC."
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string",
"description": "Lookback window for the trade-tape signals. Defaults to 30m."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"pair",
"window",
"asOf",
"lastPrice",
"confidence",
"signals",
"metrics",
"summary",
"summaryModel",
"disclaimer",
"sampleSize",
"coverage",
"source"
],
"properties": {
"asOf": {
"type": "string",
"format": "date-time"
},
"pair": {
"type": "string",
"const": "BTC"
},
"source": {
"type": "object"
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string"
},
"metrics": {
"type": "object",
"additionalProperties": {
"type": [
"number",
"null"
]
}
},
"signals": {
"type": "object",
"required": [
"orderFlow",
"flowToxicity",
"liquidity",
"volatility",
"priceTrend",
"activity",
"largeTraderShare",
"dealerGamma",
"volRiskPremium"
],
"properties": {
"activity": {
"enum": [
"quiet",
"normal",
"busy"
],
"type": [
"string",
"null"
]
},
"liquidity": {
"enum": [
"deep",
"normal",
"thin"
],
"type": [
"string",
"null"
]
},
"orderFlow": {
"enum": [
"strong-selling",
"sell-leaning",
"balanced",
"buy-leaning",
"strong-buying"
],
"type": [
"string",
"null"
]
},
"priceTrend": {
"enum": [
"falling",
"drifting-lower",
"flat",
"drifting-higher",
"rising"
],
"type": [
"string",
"null"
]
},
"volatility": {
"enum": [
"subdued",
"normal",
"elevated",
"extreme"
],
"type": [
"string",
"null"
]
},
"dealerGamma": {
"enum": [
"dampening",
"neutral",
"amplifying"
],
"type": [
"string",
"null"
]
},
"flowToxicity": {
"enum": [
"low",
"moderate",
"elevated",
"high"
],
"type": [
"string",
"null"
]
},
"volRiskPremium": {
"enum": [
"options-rich",
"fair",
"options-cheap"
],
"type": [
"string",
"null"
]
},
"largeTraderShare": {
"enum": [
"low",
"typical",
"high"
],
"type": [
"string",
"null"
]
}
},
"additionalProperties": false
},
"summary": {
"type": [
"string",
"null"
],
"description": "AI-written explanation of the signals. Null only if generation failed; the deterministic payload is still returned."
},
"coverage": {
"type": "object"
},
"lastPrice": {
"type": [
"number",
"null"
]
},
"confidence": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"disclaimer": {
"type": "string",
"description": "Fixed informational-use disclaimer; never LLM-generated."
},
"sampleSize": {
"type": "object"
},
"summaryError": {
"type": "string"
},
"summaryModel": {
"type": [
"string",
"null"
]
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/metrics/amihud-illiquidity",
"mimeType": "application/json",
"description": "DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Amihud Illiquidity estimates returns per unit of dollar volume over the specified window. Discovery examples use the latest 30m window."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"pair": "BTC-USD",
"window": "30m",
"exchange": "coinbase"
}
},
"output": {
"type": "json",
"example": {
"pair": "BTC-USD",
"value": 0.00000218,
"metric": "amihud-illiquidity",
"window": "30m",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"exchange": "coinbase",
"components": {},
"computedAt": "2026-05-23T14:00:00.000Z",
"tradeCount": 428,
"lastTradeTime": "2026-05-23T13:59:58.000Z",
"firstTradeTime": "2026-05-23T13:00:02.000Z"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"pair",
"exchange",
"window"
],
"properties": {
"pair": {
"type": "string",
"description": "Exchange-native trading pair symbol such as BTCUSDT or ETH-USD."
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string",
"description": "Lookback window. 30m and 1h are generally supported; 2h and 3h are currently BTCUSDT/BTC-USD only."
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string",
"description": "Exchange adapter to source recent trades from."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"metric",
"pair",
"exchange",
"window",
"value",
"computedAt",
"tradeCount",
"firstTradeTime",
"lastTradeTime",
"coverage"
],
"properties": {
"pair": {
"type": "string"
},
"value": {
"type": "number"
},
"metric": {
"type": "string"
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string"
},
"coverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string"
},
"components": {
"type": "object",
"additionalProperties": {
"type": "number"
}
},
"computedAt": {
"type": "string",
"format": "date-time"
},
"tradeCount": {
"type": "integer",
"minimum": 1
},
"lastTradeTime": {
"type": "string",
"format": "date-time"
},
"firstTradeTime": {
"type": "string",
"format": "date-time"
},
"benchmarkCoverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/metrics/cvd",
"mimeType": "application/json",
"description": "DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Cumulative Volume Delta tracks net buy versus sell volume over a specified window. Discovery examples use the latest 30m window."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"pair": "BTC-USD",
"window": "30m",
"exchange": "coinbase"
}
},
"output": {
"type": "json",
"example": {
"pair": "BTC-USD",
"value": 186.4421,
"metric": "cvd",
"window": "30m",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"exchange": "coinbase",
"components": {},
"computedAt": "2026-05-23T14:00:00.000Z",
"tradeCount": 428,
"lastTradeTime": "2026-05-23T13:59:58.000Z",
"firstTradeTime": "2026-05-23T13:00:02.000Z"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"pair",
"exchange",
"window"
],
"properties": {
"pair": {
"type": "string",
"description": "Exchange-native trading pair symbol such as BTCUSDT or ETH-USD."
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string",
"description": "Lookback window. 30m and 1h are generally supported; 2h and 3h are currently BTCUSDT/BTC-USD only."
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string",
"description": "Exchange adapter to source recent trades from."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"metric",
"pair",
"exchange",
"window",
"value",
"computedAt",
"tradeCount",
"firstTradeTime",
"lastTradeTime",
"coverage"
],
"properties": {
"pair": {
"type": "string"
},
"value": {
"type": "number"
},
"metric": {
"type": "string"
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string"
},
"coverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string"
},
"components": {
"type": "object",
"additionalProperties": {
"type": "number"
}
},
"computedAt": {
"type": "string",
"format": "date-time"
},
"tradeCount": {
"type": "integer",
"minimum": 1
},
"lastTradeTime": {
"type": "string",
"format": "date-time"
},
"firstTradeTime": {
"type": "string",
"format": "date-time"
},
"benchmarkCoverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/metrics/kyle-lambda",
"mimeType": "application/json",
"description": "DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Kyle’s Lambda estimates price impact per unit of signed order flow for a crypto trading pair over a specified window. Discovery examples use the latest 30m window."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"pair": "BTC-USD",
"window": "30m",
"exchange": "coinbase"
}
},
"output": {
"type": "json",
"example": {
"pair": "BTC-USD",
"value": 2.47191e-7,
"metric": "kyle-lambda",
"window": "30m",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"exchange": "coinbase",
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"queryParams": {
"pair": "BTC-USD",
"window": "30m",
"exchange": "coinbase"
}
},
"output": {
"type": "json",
"example": {
"pair": "BTC-USD",
"value": 7.133333,
"metric": "trade-intensity",
"window": "30m",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"exchange": "coinbase",
"components": {},
"computedAt": "2026-05-23T14:00:00.000Z",
"tradeCount": 428,
"lastTradeTime": "2026-05-23T13:59:58.000Z",
"firstTradeTime": "2026-05-23T13:00:02.000Z"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"pair",
"exchange",
"window"
],
"properties": {
"pair": {
"type": "string",
"description": "Exchange-native trading pair symbol such as BTCUSDT or ETH-USD."
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string",
"description": "Lookback window. 30m and 1h are generally supported; 2h and 3h are currently BTCUSDT/BTC-USD only."
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string",
"description": "Exchange adapter to source recent trades from."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"metric",
"pair",
"exchange",
"window",
"value",
"computedAt",
"tradeCount",
"firstTradeTime",
"lastTradeTime",
"coverage"
],
"properties": {
"pair": {
"type": "string"
},
"value": {
"type": "number"
},
"metric": {
"type": "string"
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string"
},
"coverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string"
},
"components": {
"type": "object",
"additionalProperties": {
"type": "number"
}
},
"computedAt": {
"type": "string",
"format": "date-time"
},
"tradeCount": {
"type": "integer",
"minimum": 1
},
"lastTradeTime": {
"type": "string",
"format": "date-time"
},
"firstTradeTime": {
"type": "string",
"format": "date-time"
},
"benchmarkCoverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/metrics/vpin",
"mimeType": "application/json",
"description": "DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. VPIN estimates volume-synchronized probability of informed trading for a crypto trading pair over a specified window. Discovery examples use the latest 30m window."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"pair": "BTC-USD",
"window": "30m",
"exchange": "coinbase"
}
},
"output": {
"type": "json",
"example": {
"pair": "BTC-USD",
"value": 0.18624412,
"metric": "vpin",
"window": "30m",
"coverage": {
"partialData": false,
"errorMessage": null,
"completeFetch": true,
"coverageRatio": 1,
"effectiveWindowMinutes": 30,
"requestedWindowMinutes": 30
},
"exchange": "coinbase",
"components": {
"buckets": 20,
"bucketSize": 12.842913,
"totalVolume": 256.85826,
"meanImbalance": 2.392118
},
"computedAt": "2026-05-23T14:00:00.000Z",
"tradeCount": 428,
"lastTradeTime": "2026-05-23T13:59:58.000Z",
"firstTradeTime": "2026-05-23T13:00:02.000Z"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"pair",
"exchange",
"window"
],
"properties": {
"pair": {
"type": "string",
"description": "Exchange-native trading pair symbol such as BTCUSDT or ETH-USD."
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string",
"description": "Lookback window. 30m and 1h are generally supported; 2h and 3h are currently BTCUSDT/BTC-USD only."
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string",
"description": "Exchange adapter to source recent trades from."
}
},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"metric",
"pair",
"exchange",
"window",
"value",
"computedAt",
"tradeCount",
"firstTradeTime",
"lastTradeTime",
"coverage"
],
"properties": {
"pair": {
"type": "string"
},
"value": {
"type": "number"
},
"metric": {
"type": "string"
},
"window": {
"enum": [
"30m",
"1h",
"2h",
"3h"
],
"type": "string"
},
"coverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
},
"exchange": {
"enum": [
"binance",
"coinbase"
],
"type": "string"
},
"components": {
"type": "object",
"required": [
"buckets",
"bucketSize",
"meanImbalance",
"totalVolume"
],
"properties": {
"buckets": {
"type": "integer"
},
"bucketSize": {
"type": "number"
},
"totalVolume": {
"type": "number"
},
"meanImbalance": {
"type": "number"
}
},
"additionalProperties": false
},
"computedAt": {
"type": "string",
"format": "date-time"
},
"tradeCount": {
"type": "integer",
"minimum": 1
},
"lastTradeTime": {
"type": "string",
"format": "date-time"
},
"firstTradeTime": {
"type": "string",
"format": "date-time"
},
"benchmarkCoverage": {
"type": "object",
"required": [
"requestedWindowMinutes",
"effectiveWindowMinutes",
"coverageRatio",
"partialData",
"completeFetch",
"errorMessage"
],
"properties": {
"partialData": {
"type": "boolean"
},
"errorMessage": {
"type": [
"string",
"null"
]
},
"completeFetch": {
"type": "boolean"
},
"coverageRatio": {
"type": "number",
"maximum": 1,
"minimum": 0
},
"effectiveWindowMinutes": {
"type": "number",
"minimum": 0
},
"requestedWindowMinutes": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
},
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://api.dripmetrics.ai/options/gex",
"mimeType": "application/json",
"description": "DripMetricsAI (https://dripmetrics.ai/) provides on-demand BTC option-derived metrics that combine the Deribit option chain with DripMetrics' own trade-level realized calculations. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. GEX aggregates open-interest-weighted Black-76 gamma across the whole Deribit BTC chain into a strike-level gamma exposure profile, total net GEX, and the gamma flip level."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"pair": "BTC",
"value": 182000000,
"metric": "gex",
"source": {
"chain": "https://www.deribit.com/api/v2/public/get_book_summary_by_currency?currency=BTC&kind=option",
"index": "https://www.deribit.com/api/v2/public/get_index_price?index_name=btc_usd",
"trades": "DripMetrics BTC trade cache"
},
"components": {
"spot": 108050.2,
"profile": [
{
"strike": 110000,
"absGexUsdPer1Pct": 61000000,
"netGexUsdPer1Pct": 52000000
}
],
"gammaFlipLevel": 104800.5,
"maxGammaStrike": 110000,
"signConvention": "dealers-long-calls-short-puts",
"grossPutGexUsdPer1Pct": 219000000,
"grossCallGexUsdPer1Pct": 401000000,
"distanceToMaxGammaStrikePct": 0.018
},
"computedAt": "2026-07-08T14:00:00.000Z",
"sampleSize": {
"expiries": 11,
"instruments": 612
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [],
"properties": {},
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"metric",
"pair",
"value",
"components",
"sampleSize",
"source",
"computedAt"
],
"properties": {
"pair": {
"type": "string",
"const": "BTC"
},
"value": {
"type": [
"number",
"null"
]
},
"metric": {
"type": "string"
},
"source": {
"type": "object"
},
"window": {
"type": "string"
},
"components": {
"type": "object"
},
"computedAt": {
"type": "string",
"format": "date-time"
},
"sampleSize": {
"type": "object"
}
},
"additionalProperties": false
}
}
}
}
}
}
},
"x402Version": 2
}
] UPTIME
RESPONSE TIME
30d UPTIME 100%
UPTIME 30D 100%
AVG RESP 506ms
TOTAL CHECKS 49
RECENT CHECKS
TIME STATUS RESP
● OK 464ms
● OK 463ms
● OK 347ms
● OK 392ms
● OK 357ms
● OK 481ms
● OK 454ms
● OK 279ms
● OK 200ms
● OK 405ms
● OK 404ms
● OK 423ms
● OK 435ms
● OK 423ms
● OK 430ms
● OK 506ms
● OK 467ms
● OK 349ms
OVER TIME
All charts share the 30d window selected here. Every series is also served as JSON at /api/v1/services/dripmetrics-ai/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)
Median across 10 endpoints. Use the selector to isolate one.
SUB-SCORES (uptime + x402 compliance)
VOLUME (on-chain settlement, USD)
DISTINCT BUYERS
COMPLIANCE
11/11 checks pass · grade A- 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
// HTML
<a href="https://x402-list.com/services/dripmetrics-ai?utm_source=badge&utm_medium=referral&utm_campaign=embed"> <img src="https://x402-list.com/badge/dripmetrics-ai.svg" alt="DripMetrics AI listed on x402-list" height="28"> </a>
// Markdown
[](https://x402-list.com/services/dripmetrics-ai?utm_source=badge&utm_medium=referral&utm_campaign=embed)
// HTML · live uptime variant
<a href="https://x402-list.com/services/dripmetrics-ai?utm_source=badge&utm_medium=referral&utm_campaign=embed"> <img src="https://x402-list.com/badge/dripmetrics-ai.svg?data=uptime" alt="DripMetrics AI uptime on x402-list" height="28"> </a>