x402-doctor.onrender.com publishes 3 machine-payable endpoints over the x402 protocol, priced from $0.001 to $0.05 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /api/v1/diagnose | GET | $0.01 | 402 |
| /api/v1/fix | GET | $0.05 | 402 |
| /api/v1/preflight | GET | $0.001 | 402 |
Why is my x402 endpoint broken? Diagnose and debug an x402 payment endpoint (or MCP server) when payments fail: checks the 402 challenge, accepts[] (network, payTo, amount, asset), resource URL, Solan…
The fix for your x402 endpoint: diagnoses it, then returns per problem the concrete change as code for your stack (Express, Next.js, Hono or raw HTTP), filled in with your own payTo, amount, network a…
Is this x402 endpoint safe to pay? Check it before your AI agent pays: go / caution / no_go, the recommended payment option, and why (payment would fail, over your budget, price above advertised, not …