{"uid":"cap_wrlG_QeLY27kO9HcQ7uCK","slug":"x402-tools-passport-stamp-diagnostic-04f48f5c","name":"x402-tools Passport Stamp Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/passportstamp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"passportstamp","note":"Example paid JSON shape. Not a live settle.","price":"$0.15","title":"Passport Stamp"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vM801ilqacpss_Xz21QCu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","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 (passport stamp SKU) via the x402 micropayment protocol, requiring $0.15 USDC per call facilitated by OpenX402.","exampleAgentPrompt":"Run the passport stamp diagnostic on the x402 test endpoint so I can confirm my eip3009 USDC payment flow is working end-to-end.","exampleUseCases":[{"title":"Testing x402 client payment integration","prompt":"I just wired up my x402 client — can you hit the passport stamp endpoint and confirm it successfully pays $0.15 USDC and gets back a valid diagnostic response?"},{"title":"Debugging 402 response with eip3009 extras","prompt":"My app is throwing errors on x402 paywalls — can you probe the passportstamp SKU endpoint and show me what the HTTP 402 response with eip3009 extras looks like when the payment isn't attached?"},{"title":"Verifying OpenX402 facilitator connectivity","prompt":"I need to confirm that OpenX402 is working as my facilitator — can you call the passport stamp diagnostic and verify the settlement goes through correctly for $0.15 USDC?"}],"resultDescription":"A JSON object containing the SKU identifier ('passportstamp'), a diagnostic note, the price ('$0.15'), and a title ('Passport Stamp'). If payment is not attached, returns HTTP 402 with eip3009 payment-required details including facilitator and payment channel information.","failureModes":["HTTP 402 returned if no valid eip3009 payment authorization is included in the request","Payment authorization expired or invalid — eip3009 token rejected by OpenX402 facilitator","Insufficient USDC balance to cover the $0.15 per-call fee","Facilitator unavailable — OpenX402 service unreachable, causing settlement failure","Malformed request properties parameter causes 400 or unexpected response"],"whenToPreferThis":"Choose this endpoint when you need a live, real-money x402 micropayment integration test using the OpenX402 facilitator with eip3009 authorization. It is the right choice for verifying that an x402 client stack — including payment header construction, USDC authorization, and 402-response parsing — works correctly end-to-end. Not suitable for production data retrieval or non-diagnostic use cases.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:39:31.082Z","isFirstParty":false,"canonicalSlug":"x402-tools-passport-stamp-diagnostic-04f48f5c"}