{"uid":"cap_7NpVmHypq9_hqGL694TZ9","slug":"x402-tools-screener-c3b01063","name":"x402-tools Screener","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/screener?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE","POST"],"type":"string"},"queryParams":{"type":"object"}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}},"inputSchema":{"type":"object"}}},"responseSchema":null,"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_AaTZUfoc0sMbw0CXzVw-X","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":"Paid diagnostic screener endpoint using x402 micropayment protocol, returning HTTP 402 with EIP-3009 payment details on unpaid requests","exampleAgentPrompt":"Run an x402 diagnostic screener against a GET request to check how the OpenX402 facilitator responds — I want to see the 402 payment challenge with EIP-3009 extras for an unpaid call.","exampleUseCases":[{"title":"Testing x402 payment gating integration","prompt":"I'm building an x402-enabled app and want to verify that unpaid GET requests correctly get back a 402 response with EIP-3009 payment details — can you hit the x402 screener endpoint and show me the payment challenge it returns?"},{"title":"Debugging EIP-3009 payment headers","prompt":"My x402 client isn't parsing the payment extras correctly. Can you make an unpaid GET request to the x402 screener and show me the exact EIP-3009 fields returned in the 402 response so I can debug my parser?"},{"title":"Validating OpenX402 facilitator behavior","prompt":"I need to confirm the OpenX402 facilitator is correctly enforcing payment gating. Run a screener probe using a GET method and tell me whether the 402 challenge and payment requirements look correct."}],"resultDescription":"On unpaid requests: an HTTP 402 response body containing EIP-3009 payment extras and payment requirements enforced by the OpenX402 facilitator. On paid requests (with valid x402 payment): diagnostic screening results for the submitted HTTP request type and method.","failureModes":["Unpaid request returns HTTP 402 with EIP-3009 payment challenge — expected behavior, not an error","Invalid or missing 'type' or 'method' fields in input cause request rejection","Unsupported method values (outside GET/HEAD/DELETE/POST enum) result in validation error","OpenX402 facilitator unavailable causes payment verification failure","Malformed payment token leads to 402 re-challenge"],"whenToPreferThis":"Choose this endpoint when you need to test, diagnose, or validate x402 micropayment protocol flows — specifically to inspect real 402 responses with EIP-3009 extras from the OpenX402 facilitator. Ideal for developers building or debugging x402-compatible clients, wallets, or payment agents that need a live reference endpoint for payment challenge inspection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:36:54.903Z","isFirstParty":false,"canonicalSlug":"x402-tools-screener-c3b01063"}