Daily known-answer canary: we pay our own services through the real x402 rail (USDC on Base) and assert the ANSWERS are correct — not just that the server is up.
Last run: 2026-09-03 07:35 UTC · failures: 0 · raw JSON · service directory
| known-answer case | latency | on-chain proof | |
|---|---|---|---|
| ✅ | search-relevance | 2288 ms | settled ✓ |
| ✅ | extract-substance | 2340 ms | settled ✓ |
| ✅ | oracle-known-good | 4809 ms | settled ✓ |
| ✅ | chain-token-usdc | 2055 ms | settled ✓ |
| ✅ | chain-ens-vitalik | 1662 ms | settled ✓ |
| ✅ | seo-audit-example | 1668 ms | settled ✓ |
| ✅ | email-validate-gmail | 1118 ms | settled ✓ |
| ✅ | video-meta-zoo | 2518 ms | settled ✓ |
| ✅ | uptime-stats | 1960 ms | settled ✓ |
| ✅ | oracle-known-honeypot | 3208 ms | settled ✓ |
A wrong answer fails the case even when the HTTP status is 200. Settlement links are real USDC payments on Base — the same rail customers use.