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x402-experiments Attestation Log (lab.paidapis.net)
x402
x402-experiments Attestation Log (lab.paidapis.net) is a paid API for AI agents from lab.paidapis.net, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Returns a paginated, cryptographically signed log of on-chain payment attestations recorded by the x402 experiment suite on Base mainnet.
Price / call$0.02
Success—
StatusUnknown
How this service works
Audit trail: a verifiable, timestamped log of past oracle attestations (?limit=, default 20). Each entry carries its own signature from the verify-tx endpoint; the returned page is also freshly signed as a whole.
Output
A JSON object containing a count of returned entries, a generatedAt ISO timestamp, an array of attestation objects (each describing an on-chain payment event), a pageSignature (cryptographic signature over the page), and a signerAddress identifying the signing key — enabling tamper-evident verification of the log.
Example use cases
Audit recent x402 payment events
“Show me the last 20 attestation entries from the x402 experiment log on Base mainnet so I can audit what payments were recorded.”
Verify cryptographic integrity of log page
“Fetch up to 100 attestations from the x402 attestation log and give me the page signature and signer address so I can confirm the data hasn't been altered.”
Monitor experiment attestation volume
“How many attestation records are in the current page of the x402 experiment log? Just fetch the default batch and give me the count and when it was generated.”
Technical details
Endpoint
GEThttps://lab.paidapis.net/api/attestation-logWhen to prefer
Choose this endpoint when you need a cryptographically signed, paginated snapshot of x402 payment attestation records from the Base mainnet experiment suite — especially when tamper-evidence via pageSignature and signerAddress is required. Prefer alternatives if you need real-time streaming, full historical export beyond 100 records per call, or attestations from a different chain or protocol.
Side effects
- limit out of range (must be 1-100) returns validation error
- payment not included or invalid x402 header returns HTTP 402
- signer key unavailable causes missing or empty pageSignature
- empty attestation log returns count 0 and empty array
- network or Base RPC failure may cause 500 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | Max entries to return, 1-100 (default 20). |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| count | integer | |
| generatedAt | string | |
| attestations | array | |
| pageSignature | string | |
| signerAddress | string |
Tags
x402
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