{"id":"x402.agentpay-transaction-authority-check","name":"AgentPay Transaction Authority Check","summary":"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.","kind":"http_api","url":"https://api.x402-engine.com/proof/price-mismatch","categories":["security_verification"],"tags":["Verification"],"sources":[{"source":"x402_list","ref":"https://x402-list.com/services/agentpay-transaction-authority-check"},{"source":"payai_bazaar","ref":"https://facilitator.payai.network/discovery/resources?payTo=0xC3B8DdAda48c034541F8e7bFfc7da93dF17D3aEd"}],"invoke":[{"kind":"http","method":"POST","url":"https://api.x402-engine.com/v1/intelligence"}],"pricing":{"model":"per_call","min_usd":0.1,"max_usd":0.1,"rails":["x402"],"networks":["eip155:8453"]},"status":"unclaimed","first_party":false,"discovery":{"openapi":"https://api.x402-engine.com/openapi.json"},"trust":{"verified_buyers_30d":5,"settlements_30d":18,"volume_usd_30d":2.2,"top_buyer_share_30d":0.364,"last_settlement_at":"2026-10-13T22:53:19Z","shared_payout":false,"trend_7d_vs_30d":0.38961038961038963,"wash_flags":[],"method":"hub-trust-v0.1","source":"x402-list.com on-chain measured settlements (CC BY 4.0)","score":42,"evidence":"verified_non_wash_payments","watch":[]},"signals":{"x402_list_status":"online","x402_list_verified":false,"uptime_24h":100,"uptime_30d":96.6,"p95_ms":1372,"compliance_grade":"A","risk_level":"clean","endpoint_count":1,"payai_resources":1,"payai_last_updated":"2026-09-23T20:41:59.493Z","openapi_paid_ops":1},"origin":"https://api.x402-engine.com","attribution":["Data: x402-list.com (CC BY 4.0)","Data: PayAI facilitator Bazaar catalog"],"pay_to":"0xC3B8DdAda48c034541F8e7bFfc7da93dF17D3aEd","badges":["unclaimed","paid_usage_verified"],"tiers":{"tier":null,"tier_label":null,"highest_earned":null,"earned":[],"paid":[],"not_yet":[{"id":"verified","reason":"listing not claimed with domain proof"},{"id":"trusted","reason":"needs Live-Tested"}],"badge_svg":"https://agentropolis.io/badge/x402.agentpay-transaction-authority-check.svg","page":"https://agentropolis.io/listing/x402.agentpay-transaction-authority-check","embed_markdown":"[![Agentropolis](https://agentropolis.io/badge/x402.agentpay-transaction-authority-check.svg)](https://agentropolis.io/listing/x402.agentpay-transaction-authority-check)","tiers_doc":"https://agentropolis.io/badges"},"seller_wallet":null,"page":"/listing/x402.agentpay-transaction-authority-check","kit_manifest":"/api/v1/listings/x402.agentpay-transaction-authority-check/kit.json","go":"/go/x402.agentpay-transaction-authority-check?src=api","claim":{"how":"Sellers: sign in at /sellers and claim this listing (verify via /.well-known file, DNS TXT, or an email at the listing's domain). After Verified, link an EVM wallet with a signed message.","opt_out":"Sellers can ask for removal or corrections after claiming."}}