Datasource Pulse
Verification PAYMENT-READYpayment-ready until 2026-09-15
One live health check on a data source, one instant machine-readable verdict. Monitor an Apify actor, API, or scraper for failures; check whether an API key silently failed; detect schema drift, stale data, empty results, dead credentials, rate limiting, and quota exhaustion. Validates keys for 35+ vendors (OpenAI, Anthropic, Stripe, GitHub and more), any HTTP endpoint, or a public Apify actor by id. Returns JSON: state, failure_class, message, recommended_action, latency_ms, metadata.
Pay from $0.02 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.
measured since 2026-07-24 (start of our harvest window) · $0.10 all-time · last settled 2026-07-29
VERDICT
ranking generation 3solid 82/100 #53 of 76 in Verification by measured score
What the score read on this service: status online, 99.6% uptime 30d, 2111ms response p95, x402 compliance 14 of 14, $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.
It is a score inside Verification, 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 76 listings, this one among them. That set is wider than the 76 the position above is counted against, 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.
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.
ALTERNATIVES IN VERIFICATION
Other Verification services in this directory, ordered by the same measured score. The figures are ours: 30-day uptime from our own probes, 30-day settlement volume read on-chain (a conservative undercount, and null where we cannot measure it, never a zero).
| SERVICE | BAND | SCORE | UPTIME 30D | VOL 30D |
|---|---|---|---|---|
| Rubric Protocol — Post-Quantum AI Attestation | strong | 100 | 100% | --- |
| scvd.store — evidence observatory for the x402 economy | strong | 99 | 100% | --- |
| 10x402 | strong | 98 | 100% | --- |
| DNS Doctor | strong | 98 | 100% | --- |
| HostDeFi Token Risk API | strong | 98 | 100% | --- |
ASSESSMENT
updated 5h agoThe parts the verdict above is computed from, each with its proof. Click any chip. Measured values stay read-only; unknown is honest, and an unknown is never counted as a zero.
reliability 99.6%
- uptime 24h
- 100%
- uptime 7d
- 99.5%
- uptime 30d
- 99.6%
- uptime 90d
- 99.7%
- response p95
- 2111ms
- avg response
- 1152ms
- total checks
- 2,735
Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.
compliance A (14/14)
14 of 14 x402 conformance checks pass. Full checklist below.
price $0.02 (p63 in Verification)
- price (min)
- $0.02
- category percentile (min)
- p63 in Verification
- endpoints / prices
- 1 / 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.
- domain age
- 51d
- registrar
- Network Solutions, LLC
- hosting
- custom
- domain created
- 2026-07-16
Identity facts, not a risk score.
traction $0.00 30d · 0 buyers
- volume 30d
- $0.00
- buyers 30d
- 0
- settlements 30d
- 0
- measured since
- 2026-07-24 (start of our harvest window)
- last settlement
- 2026-07-29
- top buyer share
- -
- trend 7d vs 30d
- -
- networks
- eip155:8453
- volume all-time
- $0.10
- settlements all-time
- 5
- median settlement 30d
- -
- max settlement 30d
- -
- settled via
- -
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-derivedPerforms live health checks on data sources to detect failures, schema drift, stale data, and other issues.
- category
- data-monitoring
- in
- query params
AI-generated summary. The measured data is never altered by it.
ENDPOINTS
| METHOD | PATH | DESCRIPTION | PRICE | NETWORK | ASSET | 402 CHANNEL |
|---|---|---|---|---|---|---|
| GET | /api/x402/check | One live health check on a data source, one instant machine-readable verdict. Monitor an Apify actor, API, or scraper for failures; check whether an API key silently failed; detect schema drift, stale data, empty results, dead credentials, rate limiting, and quota exhaustion. Validates keys for 35+ vendors (OpenAI, Anthropic, Stripe, GitHub and more), any HTTP endpoint, or a public Apify actor by id. Returns JSON: state, failure_class, message, recommended_action, latency_ms, metadata. | $0.02 | Base | USDC | header |
REQUEST / RESPONSE EXAMPLE
An unpaid request to GET /api/x402/check returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.
curl -i 'https://datasourcepulse.com/api/x402/check'
// 402 response (captured by monitor) · 1 payload · click to expand
[
{
"error": "This endpoint settles on POST only. GET and HEAD serve this payment envelope for discovery. POST the same path with an X-PAYMENT header to run a check.",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x7cCb91a3ad4c45097bDA4C3C29d2Cc89fA93Ab36",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 90
}
],
"resource": {
"url": "https://datasourcepulse.com/api/x402/check",
"mimeType": "application/json",
"description": "One live health check on a data source, one instant machine-readable verdict. Monitor an Apify actor, API, or scraper for failures; check whether an API key silently failed; detect schema drift, stale data, empty results, dead credentials, rate limiting, and quota exhaustion. Validates keys for 35+ vendors (OpenAI, Anthropic, Stripe, GitHub and more), any HTTP endpoint, or a public Apify actor by id. Returns JSON: state, failure_class, message, recommended_action, latency_ms, metadata."
},
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://example.com",
"type": "credential",
"vendor": "generic_http"
},
"type": "http",
"method": "POST",
"bodyType": "json"
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "generic_http vendor (required): the public endpoint to check. Private, loopback, and internal addresses are rejected."
},
"type": {
"enum": [
"credential",
"actor"
],
"type": "string",
"description": "Check mode. credential (default): validate an API key or HTTP endpoint. actor: health-check a public Apify actor by id. If omitted, inferred: actorId present means actor, otherwise credential."
},
"apiKey": {
"type": "string",
"description": "credential mode: the API key to validate. Used for one live vendor call, never stored."
},
"vendor": {
"type": "string",
"description": "credential mode (required): vendor template, e.g. openai, anthropic, gemini, stripe, github, serpapi, reddit, youtube, or generic_http for any HTTP endpoint. Unknown vendors return 400 with the full list location."
},
"actorId": {
"type": "string",
"description": "actor mode (required): Apify actor id, e.g. apify~web-scraper."
},
"clientId": {
"type": "string",
"description": "credential mode: OAuth client id, for vendors that use one."
},
"apifyToken": {
"type": "string",
"description": "actor mode (required): Apify API token with actor + run read access. Used for live reads, never stored."
},
"authHeader": {
"type": "string",
"description": "generic_http: full Authorization header value to send."
},
"bearerToken": {
"type": "string",
"description": "credential mode: bearer token, for vendors that use one."
},
"clientSecret": {
"type": "string",
"description": "credential mode: OAuth client secret, for vendors that use one."
},
"costSpikePct": {
"type": "number",
"description": "actor mode: cost spike threshold percent (default 50)."
},
"quotaSoftCap": {
"type": "number",
"description": "credential mode, optional: your own budget line in the vendor's native usage unit. Quota verdicts are evaluated against this cap instead of the vendor's billing wall."
},
"refreshToken": {
"type": "string",
"description": "google_oauth vendor only: OAuth2 refresh token, validated via a token refresh."
},
"volumeDropPct": {
"type": "number",
"description": "actor mode: volume drop threshold percent (default 30)."
},
"successJsonPath": {
"type": "string",
"description": "generic_http: dot-separated JSON path to assert on the response body."
},
"successJsonValue": {
"type": "string",
"description": "generic_http: expected string value at successJsonPath."
},
"successStatusCode": {
"type": "number",
"description": "generic_http: expected HTTP status (default 200)."
},
"enableCostBaseline": {
"type": "boolean",
"description": "actor mode: alert if per-run cost spikes vs the rolling average (default false)."
},
"enableVolumeBaseline": {
"type": "boolean",
"description": "actor mode: alert if latest output volume drops vs the rolling average of recent runs (default true)."
},
"stalenessThresholdDays": {
"type": "number",
"description": "actor mode: failing verdict when the actor has not been updated in this many days (default 30)."
}
}
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
}
}
}
}
},
"x402Version": 2
}
] OVER TIME
All charts use the 90d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/datasource-pulse/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). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.
checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression
Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.
COMPLIANCE
14/14 checks pass · grade Alast 402 captured 2026-07-26 · last up 2026-09-08
- 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
SITE PILLARS
- homepage reachable
- openapi doc
- pricing page
- llms.txt
- robots.txt
- terms page
recent checks (18) live · click to expand
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