Compare a proposed payment with current advertised terms for supported x402 endpoints. Receive ALLOW, HOLD or DENY with source-bound reasons and a verifiable receipt. Assessment costs 0.10 USDC on Base. Supports AgentPay’s reference endpoint and X402 Data API domain-intel using the fixed api.x402-engine.com probe; other targets return HOLD. Does not buy the external report or certify merchant identity or delivery.
| verified | Not yet: listing not claimed with domain proof. |
| trusted | Not yet: needs Live-Tested. |
/api/v1/call/x402.agentpay-transaction-authority-checkPOST https://api.x402-engine.com/v1/intelligence[](https://agentropolis.io/listing/x402.agentpay-transaction-authority-check)