{"uid":"cap_S9iVx88CDjbMc57Ez2PFP","slug":"x402-tools-facilitator-picker-facpick-cf9446dd","name":"x402-tools Facilitator Picker (facpick)","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/facpick?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"facpick","note":"Example paid JSON shape. Not a live settle.","price":"$0.04","title":"Fac Pick"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TX83K0psxpKPeXa0K3yb2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paid diagnostic JSON payload describing the x402 facilitator selection ('facpick') SKU, requiring a valid EIP-3009 micropayment via OpenX402.","exampleAgentPrompt":"Run the x402 facpick diagnostic on openclawproductions.com so I can confirm my OpenX402 payment flow is working — go ahead and pay the $0.04 USDC fee and show me what the paid JSON response looks like.","exampleUseCases":[{"title":"Testing x402 client payment integration","prompt":"I just wired up my x402 client library and want to make sure EIP-3009 payments actually go through — can you call the facpick endpoint, pay the $0.04 USDC, and show me the full JSON response so I know it's working end-to-end?"},{"title":"Validating OpenX402 facilitator is live","prompt":"Check whether the OpenX402 facilitator is operational right now by hitting the facpick diagnostic endpoint and confirming it returns a successful paid response instead of a 402 error."},{"title":"Debugging HTTP 402 payment-required behavior","prompt":"My app keeps getting 402 errors from x402 endpoints — can you deliberately call the facpick SKU without paying first so I can see exactly what EIP-3009 extras come back in the 402 response?"}],"resultDescription":"A JSON object containing the SKU name ('facpick'), a human-readable title ('Fac Pick'), the price ('$0.04'), and a diagnostic note confirming the paid response shape. Returns HTTP 402 with EIP-3009 payment details if the request is unpaid.","failureModes":["HTTP 402 returned when no valid EIP-3009 payment authorization is included — response body contains payment challenge with extras","Invalid or expired EIP-3009 token causes payment rejection","OpenX402 facilitator unavailable causes request failure","Malformed properties parameter may result in unexpected response","Network timeout if OpenX402 facilitator settlement is slow"],"whenToPreferThis":"Choose this endpoint when you need to test or validate x402 micropayment flows using a real paid API call via OpenX402 as the facilitator. It is purpose-built for diagnostics — not for production data retrieval. Prefer it over other x402 test endpoints when you specifically need to verify EIP-3009 authorization handling or OpenX402 facilitator selection behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:43:12.940Z","isFirstParty":false,"canonicalSlug":"x402-tools-facilitator-picker-facpick-cf9446dd"}