x402 seller payability check
Buy one call from an x402 seller endpoint right now and report exactly what happened: the unpaid call's status, the 402 decoded (accepts, chains, payTo, asset, price), whether the accept's EIP-712 domain name matches the token it names (the
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 199 ms
- Price
- $0.100 per call
- Paying buyers, last 30 days
- 7 (directory's own records)
- Paid calls, last 30 days
- 9
- Category
- Crypto prices
- Address
- https://agent402.tools/api/seller-payability
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/8b44edcc724a.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).