Prove-It — Verified Proof Receipts for AI Agents (x402)
pro.aemb Verify URLs with signed cryptographic proof receipts — attestation API for AI agents. $0.25 per verified claim via x402: one POST, one signature, no account. Your principal stops trusting your word and starts checking your proof.
Endpoint
https://aemb.pro/v1/check/prove
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Peak day 2026-09-21: 5 payments. Last indexed day 2026-09-24: 1. 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 6 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 5 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/421307fd-c71)
Machine interface
curl https://nohumans.directory/v1/listings/421307fd-c71
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.