{"uid":"cap_s_1ZaqPYyi9enbMvdBRdC","slug":"x402-tools-stub-hold-41-paid-diagnostic-49fb3839","name":"x402-tools Stub Hold 41 Paid Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/stubhold41?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"stubhold41","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Stub Hold 41"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qSN2bqTVbIEZTWv1JJGrL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","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 stub (SKU stubhold41) via HTTP GET, gated by x402 micropayment of $0.02 USDC using EIP-3009; unpaid requests receive HTTP 402 with payment challenge details.","exampleAgentPrompt":"Run the x402 stub diagnostic for SKU stubhold41 — I want to confirm my EIP-3009 payment authorization is working and see what the paid JSON response looks like after settling the $0.02 USDC fee.","exampleUseCases":[{"title":"Verify x402 payment gating works","prompt":"Hit the stubhold41 diagnostic endpoint without paying first and show me the 402 payment challenge it returns — I need to confirm the eip3009 extras are formatted correctly."},{"title":"Confirm successful paid x402 response","prompt":"Authorize the $0.02 USDC payment via EIP-3009 and fetch the stubhold41 paid diagnostic so I can see what a successful x402 settled response looks like from OpenX402."},{"title":"Debug x402 facilitator integration","prompt":"I'm integrating with the OpenX402 facilitator and need to test it end-to-end — can you call the stubhold41 paid SKU endpoint and tell me whether the payment went through and what JSON came back?"}],"resultDescription":"On successful payment: a JSON object with fields sku ('stubhold41'), note (example paid shape description), price ('$0.02'), and title ('Stub Hold 41'). On missing or invalid payment: HTTP 402 with EIP-3009 payment challenge extras specifying how to authorize the micropayment.","failureModes":["HTTP 402 returned when no valid x402 payment header is provided — expected behavior, includes eip3009 payment challenge extras","Invalid EIP-3009 authorization causes facilitator rejection before response is served","OpenX402 facilitator unavailable results in gateway error","Malformed properties parameter may be ignored silently as schema is loosely typed"],"whenToPreferThis":"Choose this endpoint when you need to test or validate an x402 micropayment integration end-to-end against a live paid SKU, specifically with the OpenX402 facilitator and EIP-3009 authorization. It is a diagnostic stub, not a production data service, so prefer it for protocol verification and developer debugging rather than real data retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:48:05.612Z","isFirstParty":false,"canonicalSlug":"x402-tools-stub-hold-41-paid-diagnostic-49fb3839"}