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Council of AI — Claim-Watch Population Slice
x402
Council of AI — Claim-Watch Population Slice is a paid API for AI agents from councilof.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Returns a signed, timestamped snapshot of AI-system claims captured across published registries, with cryptographic attestation and an audit trail.
Price / call$0.01
Success—
StatusUnknown
How this service works
We measure how AI systems behave against frozen, published tests and publish checkable evidence. Issued measurement cards are signed; unsigned supporting runs are labelled. Read the live board and corrections ledger.
Output
A JSON object containing: the total claim count (n), population slice ID and kind, verbatim registry rows, the as-of date, indexing state, unit description, schema identifier, settlement metadata (payer, network, transaction), a list of source file paths (including OpenTimestamps .ots proofs), and a signed attestation block with schema URL, sha256, payload hash, surface label, and an ed25519 signature (or null if unsigned).
Example use cases
Auditing AI assurance claims
“Fetch the current Council of AI claim-watch data for me — I need the claim count, the as-of date, and confirmation that the attestation is cryptographically signed so I can include it in our compliance audit report.”
Monitoring AI registry for new claims
“Check the Council of AI claim-watch population right now and let me know if the number of indexed claims has changed since yesterday, and what the latest source files are.”
Verifying AI benchmark evidence
“Get me the latest signed snapshot from the Council of AI claim-watch endpoint — I want the sha256 hash, the ed25519 signature status, and the list of source claim registry files so I can independently verify the evidence.”
Technical details
Endpoint
GEThttps://councilof.ai/api/pop/claim-watch?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cryptographically signed, independently verifiable snapshot of AI system claims from a neutral third-party measurement body. It is the right choice for compliance audits, governance workflows, or any scenario requiring tamper-evident evidence of AI behavior claims. Prefer it over generic web scraping or unofficial aggregators when you need signed attestations with OpenTimestamps proofs and a corrections ledger.
Side effects
- Payment not received or insufficient USDC — returns 402 Payment Required
- Invalid HTTP method (only GET/HEAD/DELETE accepted) — returns 405 Method Not Allowed
- Registry indexing in progress — state field may reflect non-INDEXED status
- Signature field sig_ed25519 is null if the supporting run is unsigned (labelled as such)
- Downstream registry unavailable — rows or source list may be incomplete
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"n": 198,
"id": "claim-watch",
"kind": "slice",
"rows": "<the population rows / artifact bytes, verbatim>",
"as_of": "2026-09-25",
"state": "INDEXED",
"n_unit": "claims captured across the published registries",
"schema": "csoai.population-door/0.1",
"settle": {
"payer": "<0x… or null>",
"network": "<caip2 or null>",
"transaction": "<0x… or null>"
},
"source": [
"/spec/claim-maintenance/register.json",
"/claims/claimreg-ai-assurance-and-settlement-2026-09-23-rev2.json",
"/claims/claimreg-ai-assurance-and-settlement-2026-09-23-rev2.json.ots",
"/claims/claimreg-ai-assurance-and-settlement-2026-09-23.json",
"/claims/claimreg-ai-assurance-and-settlement-2026-09-23.json.ots",
"/claims/claimreg-hiring-platforms-2026-09-24-rev2.json",
"/claims/claimreg-hiring-platforms-2026-09-24-rev2.json.ots",
"/claims/claimreg-hiring-platforms-2026-09-24.json",
"/claims/claimreg-hiring-platforms-2026-09-24.json.ots",
"/claims/claimreg-ondo-chainlink-2026-09-22-rev2.json",
"/claims/claimreg-ondo-chainlink-2026-09-22-rev2.json.ots",
"/claims/claimreg-ondo-chainlink-2026-09-22.json",
"/claims/claimreg-ondo-chainlink-2026-09-22.json.ots"
],
"attestation": {
"schema": "https://councilof.ai/schema/card-v0.json",
"sha256": "<hex>",
"payload": {
"kind": "csoai.population.slice/0.1",
"rows_sha256": "<hex>"
},
"surface": "population.slice",
"sig_ed25519": "<hex or null>"
}
}
}Tags
x402
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