datum-audit-csv-json-20260802.estoyaburido7.chatgpt.site publishes 4 machine-payable endpoints over the x402 protocol, priced from $0.3 to $7.0 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /api/audit | POST | $1.0 | 402 |
| /api/products/openapi-audit | POST | $6.0 | 402 |
| /api/products/openapi-snapshot | POST | $0.3 | 402 |
| /api/products/rate-limiter | GET | $7.0 | 402 |
Audits CSV or JSON for missing values, duplicate rows, type conflicts, structural drift, empty columns, and per-column profiles. Returns a structured JSON quality report after x402 settlement.
Deterministic OpenAPI 3.x contract review with a scored, prioritized JSON report covering schemas, errors, auth, retries, idempotency, pagination, server URLs, references, and x402 metadata.
Deterministic OpenAPI 3.x risk triage: score, summary, and five highest-priority contract findings. JSON only; static structural analysis.
Downloadable backend kit with FastAPI middleware, an atomic Redis Lua token bucket, environment-configured tiers and per-key overrides, explicit fail-open/fail-closed outage modes, Docker assets, and …