1 agent-payable API. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. provenpaid.com ↗
ProvenPaid: on-chain evidence that an agent payment endpoint actually gets paid. Pass ?url=<endpoint>. Returns the endpoint's payment challenge (x402 v1/v2; MPP detected), price, network and receiving address, plus on-chain payer depth: distinct payers, repeat-payer share and concentration, with coverage and methodology. Not charged for invalid or unsafe URLs.