All payments are USDC on Base via x402. No account, no key. Payment buys access only; it never changes a verdict.
| Free check | $0: 5 live checks per client per UTC day, at most 25 per network (IP) per day across client names. Dry runs (&mode=dry-run) are free. |
|---|---|
| Paid check | One tenth of the target endpoint's quoted x402 price, minimum $0.01, maximum $0.25 (no quote: $0.01). Adds full payment terms and the payment object to sign. |
| Router pack | $0.01 for 10 checks ($0.001 each), paid as one x402 payment; for registered router clients. |
Catalog lookup (/v1/lookup) | 5 free per client per UTC day, then $0.02 per call; /v1/lookup/paid is always $0.02. |
| Overnight chief-of-staff pack | $9 (/v1/products/overnight-cos-pack). |
| Free to read | Skips, receipts, Bazaar check, badges, rules, OpenAPI, MCP. |
Check endpoint: https://api.402xagent.com/v1/products/endpoint-spot-check?url=<endpoint>
Details: rules · OpenAPI spec · docs