{"uid":"cap_1ZwUf6iYUuXyFJtjZD1AK","slug":"x402-tools-railpick-diagnostics-d9b22648","name":"x402-tools RailPick Diagnostics","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/railpick?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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UCDkMVRHUvPx4L-TJDiOe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns paid x402 diagnostics for a specified HTTP request type via the /api/v1/railpick endpoint, gated by EIP-3009 micropayment (0.01 USDC); unpaid requests receive HTTP 402 with payment details.","exampleAgentPrompt":"Run a GET-type x402 diagnostic on the railpick endpoint and show me the full response — I want to see what the payment challenge looks like if I haven't paid yet.","exampleUseCases":[{"title":"Verify x402 payment wall behavior","prompt":"Can you probe the railpick diagnostics endpoint using a GET request and show me what the HTTP 402 payment challenge looks like, including the EIP-3009 payment details it returns when unpaid?"},{"title":"Test paid x402 integration end-to-end","prompt":"I want to test a paid x402 API call through the OpenX402 facilitator — run a diagnostic GET request against railpick and confirm the response after payment goes through."},{"title":"Debug x402 facilitator micropayment flow","prompt":"Help me debug my x402 integration — send a HEAD request to the railpick diagnostics endpoint and tell me exactly what payment extras come back in the 402 response so I can implement my client correctly."}],"resultDescription":"On successful (paid) requests: diagnostic data about the x402 endpoint response. On unpaid requests: HTTP 402 status with EIP-3009 payment challenge extras including payment amount, token, network, and facilitator details required to authorize a 0.01 USDC micropayment via OpenX402.","failureModes":["HTTP 402 returned when no valid EIP-3009 payment token is included — response body contains payment challenge details","Invalid or unsupported HTTP method in the 'method' field returns a validation error","Missing required 'type' or 'method' fields in the input object causes a schema validation failure","OpenX402 facilitator unavailable may cause payment verification to fail","Malformed request body results in 400-level error"],"whenToPreferThis":"Choose this endpoint when you need to test, diagnose, or validate x402 protocol behavior — specifically the HTTP 402 payment challenge and EIP-3009 micropayment flow using the OpenX402 facilitator. Ideal for developers building x402-compatible clients or agents that need to handle USDC micropayment-gated APIs. Prefer this over general HTTP testing tools when your goal involves verifying x402 payment wall responses or EIP-3009 challenge formats.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:39:44.875Z","isFirstParty":false,"canonicalSlug":"x402-tools-railpick-diagnostics-d9b22648"}