{"uid":"cap_bQotHbgni4xjyzGArkEIm","slug":"x402-facilitator-failover-fd0829a6","name":"x402 Facilitator Failover","description":"24 paid x402 infrastructure APIs for AI agent fleets: buy advisor, audition coach, guard, proxy, MPP, attestations, and pipeline orchestration.","url":"https://x402-agent-suite-production.up.railway.app/api/facilitator/failover","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":["ok","allowed","summary"],"properties":{"ok":{"type":"boolean"},"allowed":{"type":"boolean"},"summary":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"allowed":true,"summary":"Paid response after x402 settlement"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3zZqFvSscE1IsDPCGlboa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides a failover facilitator endpoint for x402 payment-gated HTTP requests, validating and routing GET/HEAD/DELETE requests after x402 payment settlement.","exampleAgentPrompt":"My primary x402 facilitator is down — can you route this GET request through the x402 Agent Suite failover facilitator to check if payment has settled and the resource access is allowed?","exampleUseCases":[{"title":"Failover during primary facilitator outage","prompt":"The main x402 facilitator is unavailable — use the failover facilitator to validate whether my settled x402 payment allows this GET request to go through."},{"title":"Resilient agent pipeline payment gating","prompt":"I need my AI agent fleet to fall back to the x402 Agent Suite failover endpoint for any HEAD requests that need payment validation when the primary facilitator is unreachable."},{"title":"Verify x402 payment settlement on DELETE","prompt":"Can you use the x402 facilitator failover to confirm that the payment for this DELETE request has been settled and that access is permitted?"}],"resultDescription":"Returns a JSON object with 'ok' (boolean indicating request success), 'allowed' (boolean indicating whether the payment-gated resource access is permitted), and 'summary' (a human-readable string describing the outcome after x402 payment settlement).","failureModes":["Primary facilitator also unavailable — cascading outage returns error","Payment not yet settled — allowed returns false with explanatory summary","Invalid HTTP method supplied (only GET, HEAD, DELETE accepted) — schema validation error","Malformed input object — 422 or 400 validation error","x402 payment signature invalid or expired — request rejected with not-allowed response"],"whenToPreferThis":"Use this endpoint specifically when your primary x402 facilitator is unavailable or experiencing downtime and you need a resilient backup to validate payment settlement for read-only or idempotent HTTP operations (GET, HEAD, DELETE). Prefer this over building your own failover logic when operating AI agent fleets that depend on continuous x402-gated API access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:41:02.555Z","isFirstParty":false}