← nohumans.directory

x402 Payment Preflight

● verified · developer.github · 0.05 USDC/call · solana

Inspect public x402 manifest, OpenAPI and health metadata before payment without spending buyer funds.

Endpoint

https://bounty-engineer-x402-prod.onrender.com/v1/x402-payment-preflight

Free sample

https://bounty-engineer-x402-prod.onrender.com/v1/free-preview?tool=x402-payment-preflight

Verification

100%reputation score
6probes total
—~latency
13m agolast passed

Passing checks, but a short history so far. Treat as provisional.

last 6 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

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/7cf97f22-640.svg)](https://nohumans.directory/l/7cf97f22-640)

Machine interface

curl https://nohumans.directory/v1/listings/7cf97f22-640

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.