{"service":"uta-trust-api","version":"2.2.6","protocol":"ATC/1.0","rail":"x402","x402Version":2,"network":{"label":"base (mainnet + sepolia)","chains":["eip155:8453","eip155:84532"],"symbol":"USDC","decimals":6},"networks":[{"chain":"eip155:8453","label":"base-mainnet","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x39Dddf5aEdb58A559CF195fB8bdF23F0604Bf5Ee","facilitator":"https://facilitator.payai.network","price":"0.01 USDC"},{"chain":"eip155:84532","label":"base-sepolia","asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","payTo":"0xfD856E89Ac88757C339c67E9717528af0cD1d7Ee","facilitator":"https://x402.org/facilitator","price":"0.01 USDC (testnet)"}],"payTo":{"eip155:8453":"0x39Dddf5aEdb58A559CF195fB8bdF23F0604Bf5Ee","eip155:84532":"0xfD856E89Ac88757C339c67E9717528af0cD1d7Ee"},"facilitator":{"eip155:8453":"https://facilitator.payai.network","eip155:84532":"https://x402.org/facilitator"},"resources":{"/v1/trust/verify":{"url":"https://uta-trust-api.eddyflores100.workers.dev/v1/trust/verify","description":"UTA ATC/1.0: verificacion Ed25519 de Agent Trust Card (subarbol JCS, anclas pineadas, ventana dos-lados) + score de riesgo","mimeType":"application/json"},"/v1/trust/batch":{"url":"https://uta-trust-api.eddyflores100.workers.dev/v1/trust/batch","description":"UTA ATC/1.0: verificacion por lote (1..10 tarjetas) para escrow de marketplaces","mimeType":"application/json"}},"pricing":{"verify_usdc":0.01,"batch_usdc_10":0.08},"usage":{"step1":"POST /v1/trust/verify without X-PAYMENT → 402 with accepts[] (payment requirements)","step2":"build EIP-3009 transferWithAuthorization for the quoted amount, base64-encode the payload JSON","step3":"retry with header X-PAYMENT: <base64> → 200 + X-PAYMENT-RESPONSE (settlement proof)"},"response_fields":{"verified":"boolean — full reference semantics (signature + pinned anchor + two-sided window + status)","stages":"per-stage outcomes per stage_scoring_rule","digest":"sha256 hex of the JCS canonical signed subtree","risk":"coarse band derived from stages: low | elevated | high | info","reason":"human-readable cause on failure"},"conformance":{"reference":"score-runner.mjs v1.5.0 semantics","vectors":"14/14","repo":"github.com/alicelabs-llc/universal-trust-adapter"}}