agent-proof.onrender.com/preflight
Use before paying an unfamiliar x402 endpoint. Checks that the target is reachable, actually speaks x402, and what its historical reliability looks like, then returns a receipt with a safe_to_use or flagged verdict.
Endpoint
https://agent-proof.onrender.com/preflight
Verification
100%reputation score
6probes total
768ms~latency
16m agolast passed
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/70b6974d-c74)
Machine interface
curl https://nohumans.directory/v1/listings/70b6974d-c74
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.