{"uid":"cap_FOZH0b7B0bhnKf6_0dR2C","slug":"fiatdock-x402-checker-paid-402-report-ad375843","name":"FiatDock x402 Checker — Paid 402 Report","description":"Pay-per-call: x402 Checker — paid 402 report","url":"https://fiatdock.com/s/svc_8e048fbb-a2f6-42c2-bc8d-492c59fd090d?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":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mPj_xksralc8ROeIahHLg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a paid x402 compliance report for a target URL or service, checking whether it correctly implements the HTTP 402 payment-required protocol","exampleAgentPrompt":"Run an x402 compliance check on my service endpoint and give me the full 402 report so I can see if it's properly implementing the payment-required flow.","exampleUseCases":[{"title":"Audit a new x402-enabled API","prompt":"I just deployed a pay-per-call API endpoint — can you run the x402 checker on it and tell me if it's correctly returning 402 responses and handling the payment flow properly?"},{"title":"Debug a broken x402 integration","prompt":"My x402-enabled service seems to be rejecting payments but I'm not sure if the problem is on my end — can you pull the x402 report for it and show me what the 402 response looks like?"},{"title":"Verify competitor x402 compliance","prompt":"I want to know if that third-party data API actually implements x402 correctly before I integrate it into my agent — can you run a 402 compliance check on it and summarize the findings?"}],"resultDescription":"A structured 402 report detailing the x402 protocol compliance of the target service, including HTTP 402 response shape, payment header details, protocol conformance verdict, and any detected issues with the pay-per-call implementation.","failureModes":["Missing required tool arguments returns an argument error that is still billed as a paid call","Target service may be offline or unreachable, returning a connectivity error","Malformed JSON-RPC body may cause the seller MCP endpoint to reject the request","Incomplete tool name or params may yield a partial or empty report","Unknown tool name returns an error from the underlying MCP server"],"whenToPreferThis":"Choose this endpoint when you need to verify that a specific service correctly implements the x402 HTTP 402 payment protocol — especially useful for developers building or auditing pay-per-call APIs, agents vetting third-party x402 services before integration, or debugging payment flow failures. It is more targeted than generic HTTP testing tools because it is specifically designed to interpret 402 payment-required responses and report on x402 protocol conformance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:38:30.742Z","isFirstParty":false,"canonicalSlug":"fiatdock-x402-checker-paid-402-report-ad375843"}