{"uid":"cap_JYNMLR3zQGHtoeYra5cMt","slug":"x402-tools-www-match-221-diagnostic-38122590","name":"x402-tools WWW Match 221 Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/wwwmatch221?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"wwwmatch221","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Www Match 221"}},"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_-LGxb4_3_8crTO_pBbDx_","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 response for SKU wwwmatch221, demonstrating the x402 HTTP payment protocol with eip3009 extras on unpaid requests.","exampleAgentPrompt":"Run the x402 diagnostic for SKU wwwmatch221 on OpenX402 and show me the paid JSON response including the SKU name, price, and title fields.","exampleUseCases":[{"title":"Validate x402 payment gate integration","prompt":"Can you hit the x402 diagnostic endpoint for wwwmatch221 and confirm it returns the correct paid JSON shape with the SKU, price, and title fields?"},{"title":"Debug eip3009 HTTP 402 response","prompt":"I need to check what eip3009 extras come back in the HTTP 402 challenge for the wwwmatch221 SKU before I send payment — can you probe that endpoint and show me the unpaid response headers?"},{"title":"Confirm OpenX402 facilitator is live","prompt":"Test the OpenX402 facilitator by calling the wwwmatch221 diagnostic SKU and tell me if it responds correctly with the expected $0.02 USDC price and diagnostic note."}],"resultDescription":"A JSON object containing the SKU identifier ('wwwmatch221'), a diagnostic note, the price ('$0.02'), and the title ('Www Match 221'). If the request is unpaid, the endpoint returns HTTP 402 with eip3009 payment-required extras specifying how to authorize the $0.02 USDC charge via the OpenX402 facilitator.","failureModes":["HTTP 402 returned when no valid x402 payment header is provided — includes eip3009 extras with payment instructions","Invalid or missing 'properties' parameter may result in malformed request","Facilitator unavailability (OpenX402 down) may prevent payment settlement and block access","SKU not found if endpoint path is incorrect"],"whenToPreferThis":"Choose this endpoint when you need to test, validate, or demonstrate the x402 HTTP payment protocol specifically with the OpenX402 facilitator and eip3009 payment authorization. It is purpose-built for x402 integration diagnostics rather than delivering real business data, making it ideal for developers probing micropayment flows or verifying that their x402-capable agent can handle 402 challenges and settle $0.02 USDC payments correctly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:48:33.338Z","isFirstParty":false,"canonicalSlug":"x402-tools-www-match-221-diagnostic-38122590"}