x402 Payment Preflight
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
[](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.