Vellium & Co

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OpenAPI Request Audit

Audit a real request against the OpenAPI document it should satisfy. Matches the operation the way a router would, checks every path, query and header parameter against its declared schema, validates the body against the declared media type

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
329 ms
Price
$0.140 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
1
Category
Blockchain reads
Address
https://api.zfinia.com/x402/v1/openapi-parameter-contract-audit

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/cce100ff791a.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].