{"uid":"cap_J0So-nemuM91I4EDqImsR","slug":"x402-trust-layer-a2a-execute-81315017","name":"x402 Trust Layer A2A Execute","description":"68 paid x402 trust infrastructure APIs: guard, semantic escrow, mandate diff, certified seller network, KYM, mandates, compliance, disputes, and orchestration.","url":"https://x402trustlayer.xyz/api/a2a/execute?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["success","allowed","orchestratorReady","orchestration","sellerResponse","checks_passed"],"properties":{"allowed":{"type":"boolean"},"success":{"type":"boolean"},"checks_passed":{"type":"array","items":{"type":"string"}},"orchestration":{"type":"string"},"sellerResponse":{"type":"object","required":["ok","allowed","summary"],"properties":{"ok":{"type":"boolean"},"allowed":{"type":"boolean"},"summary":{"type":"string"}}},"orchestratorReady":{"type":"boolean"}}}}}}},"responseSchema":{"type":"json","example":{"allowed":true,"success":true,"checks_passed":["a2a_schema_valid","trust_score","seller_dispatch"],"orchestration":"in-process","sellerResponse":{"ok":true,"allowed":true,"summary":"Guard preflight passed for A2A seller call"},"orchestratorReady":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GAwb0q7kyib6IjJUSx0gO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs an agent-to-agent (A2A) trust preflight check, dispatching guard, trust score, and seller validation before allowing an API transaction to proceed.","exampleAgentPrompt":"Run a trust preflight check on this agent-to-agent GET request to make sure the schema is valid, the trust score passes, and the seller is cleared before I proceed — use the x402 Trust Layer A2A execute endpoint.","exampleUseCases":null,"resultDescription":"Returns a JSON object indicating whether the call is allowed (boolean), whether the operation succeeded, an array of named checks that passed (e.g. a2a_schema_valid, trust_score, seller_dispatch), the current orchestration status string, a seller response object with ok/allowed/summary fields, and a boolean indicating orchestrator readiness.","failureModes":["Schema validation failure if required fields 'type' or 'method' are missing","Invalid HTTP method (only GET, HEAD, DELETE are accepted — POST/PUT/PATCH will be rejected)","Trust score below threshold returns allowed=false","Seller dispatch failure returns sellerResponse.ok=false with summary","Orchestrator not ready returns orchestratorReady=false","Payment failure or insufficient USDC balance (x402 payment required per call)","Network timeout from downstream seller or orchestration layer"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to perform a trust-gated preflight check before executing an agent-to-agent API transaction, especially when compliance, seller certification, and schema validation must all pass before proceeding. Prefer this over generic auth endpoints when you need the full x402 trust stack including guard, trust score, and seller dispatch in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:50:17.870Z","isFirstParty":false,"canonicalSlug":"x402-trust-layer-a2a-execute-81315017"}