x402 Doctor
How do I fix my broken 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 and route. Bulk: 1000 credits for $
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 547 ms
- Price
- not stated
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Payments and on-ramps
- Address
- https://x402-doctor.fizzl.eu/api/v1/fix
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/3cfdd8b57891.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).