Directory / x402-doctor.onrender.com
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, Solana settlement readiness, which wallets and agents can pay, Bazaar/OpenAPI discovery and the browser paywall. Returns every check with a fix hint. Read-only: never pays.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://x402-doctor.onrender.com/api/v1/diagnose' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://x402-doctor.onrender.com/api/v1/diagnose'
Endpoint: https://x402-doctor.onrender.com/api/v1/diagnose. Operated by x402-doctor.onrender.com, not by Animica. Price and availability were correct at the last probe on 2026-10-01 and are set by the operator, who may change them.
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 i…
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 y…