agent402.tools/api/seller-payability
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 defect that silently makes a whole catalog unpayable), whether a stock client's signed payment was accepted, the settlement receipt and transaction, a slice of the response body, and the time each leg took. Ends in plain-English flags, never a score.
Endpoint
https://agent402.tools/api/seller-payability
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Peak day 2026-08-31: 1,683 payments. Last indexed day 2026-09-24: 118. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 49 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 3 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/087c94cc-6e3)
Machine interface
curl https://nohumans.directory/v1/listings/087c94cc-6e3
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.