x402 operator - independently measured by Market402. Status: probed, not yet verified
Capability tags (auto-derived from listed descriptions): search, market-data. Machine-readable: /badge/certaindata.ai (live JSON) | /operators.json. Updated 2026-07-30T14:08 UTC, refreshed by weekly full-census probes.
| host | score | endpoints | verified |
|---|---|---|---|
| uat-api.certaindata.ai | 94.6 | 2 | 0 |
| api.certaindata.ai | 94.3 | 9 | 0 |
Verification is earned by measurement, never sold and never self-reported: pass spec + reliability checks over time and deliver on a real paid purchase (rules). Get probed via POST /submit; test your 402 for free at /selftest.
What the 402 Score measures: availability, latency, x402 spec compliance, price integrity and paid delivery - from real requests, by published rules. Scores are never self-reported and never sold.