Vellium & Co

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OpenAPI Response Audit

Audit a real response against what the OpenAPI document promises for that operation. Resolves the declared status exactly, by range such as 2XX, or through default, checks declared response headers are present, and validates the body agains

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Our latest check (2026-10-11)

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

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/de520f1ce9a5.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].