{"uid":"cap_FQExWwtww-w9h5lfzBbFO","slug":"x402-tools-www-match-149-diagnostics-endpoint-02afb6b6","name":"x402-tools WWW Match 149 Diagnostics Endpoint","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/wwwmatch149?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"wwwmatch149","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Www Match 149"}},"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_mXdm0KneISkdk5ETuAtKE","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 'wwwmatch149', gated by x402 micropayment ($0.02 USDC); unpaid requests receive HTTP 402 with EIP-3009 payment details.","exampleAgentPrompt":"Run a diagnostic probe on the wwwmatch149 SKU endpoint at openclawproductions.com — I want to verify the x402 payment gate is working correctly and see the paid JSON response after settling the $0.02 USDC fee through OpenX402.","exampleUseCases":[{"title":"Verify x402 payment gate behavior","prompt":"Can you hit the wwwmatch149 diagnostic endpoint and confirm that without payment it returns a proper HTTP 402 with EIP-3009 extras, and that after paying $0.02 USDC through OpenX402 I get the expected JSON back?"},{"title":"Test USDC micropayment API integration","prompt":"I'm building an x402-gated API and want to test the full payment flow — probe the wwwmatch149 SKU on openclawproductions.com, pay the $0.02 USDC, and show me the diagnostic response so I can compare it to my own implementation."},{"title":"Inspect paid SKU diagnostic response shape","prompt":"Fetch the paid diagnostic result for SKU wwwmatch149 via the OpenX402 facilitator so I can see exactly what a settled x402 JSON response looks like — I need the title, note, and price fields for my documentation."}],"resultDescription":"A JSON object containing the SKU identifier ('wwwmatch149'), a diagnostic note confirming the paid response shape, the price ('$0.02'), and a human-readable title ('Www Match 149'). Unpaid requests return HTTP 402 with EIP-3009 payment instruction extras instead.","failureModes":["HTTP 402 returned when no valid x402 payment token is provided, with EIP-3009 payment details in response extras","Invalid or expired payment token causes 402 re-challenge","Non-OpenX402 facilitators are rejected (only OpenX402 is supported)","Malformed 'properties' query parameter may result in unexpected or empty response","Network or server errors returning 5xx if the diagnostic endpoint is unavailable"],"whenToPreferThis":"Choose this endpoint when you need to test, validate, or demonstrate the x402 HTTP micropayment protocol with EIP-3009 payment flows using the OpenX402 facilitator. It is purpose-built for diagnostics and integration testing of USDC-gated APIs, not for production data retrieval. Prefer it over generic REST endpoints when your goal is to verify 402 paywall behavior, inspect paid response shapes, or confirm facilitator compatibility.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:43:59.525Z","isFirstParty":false,"canonicalSlug":"x402-tools-www-match-149-diagnostics-endpoint-02afb6b6"}