{"uid":"cap_7t_sMG4nqGbTRWtA9kDT9","slug":"x402-tools-list-lag-diagnostic-bfd26397","name":"x402-tools List Lag Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/listlag?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","properties":{"origin":{"type":"string","description":"Public origin URL. Defaults to https://openclawproductions.com."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}},"inputSchema":{"type":"object","required":["type","properties"],"properties":{"type":{"type":"string","const":"object"},"required":{"type":"array","items":{"type":"string"}},"properties":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"sku":"listlag","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"List Lag"}},"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_RfFnWZ3TYsJkPL1qjHwrT","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 payload (SKU: listlag) for testing x402 micropayment flows and EIP-3009 payment mechanics on a given origin.","exampleAgentPrompt":"Run the x402 listlag diagnostic against https://openclawproductions.com using a GET request to check if the paid SKU micropayment gate and EIP-3009 extras are responding correctly.","exampleUseCases":[{"title":"Verify x402 payment gate health","prompt":"Can you run the listlag x402 diagnostic on https://openclawproductions.com to confirm the paid micropayment SKU is returning the correct HTTP 402 with EIP-3009 extras?"},{"title":"Debug x402 integration for new origin","prompt":"I just set up x402 on https://myapp.example.com — can you probe it with a GET listlag diagnostic to see if the payment gate is configured right?"},{"title":"Confirm OpenX402 facilitator connectivity","prompt":"Check that the OpenX402 facilitator is properly handling the listlag SKU for my origin https://openclawproductions.com and show me the diagnostic response."}],"resultDescription":"A JSON object containing the SKU name ('listlag'), a diagnostic note, the price ('$0.02'), and a title ('List Lag') confirming the paid endpoint responded correctly. Unpaid requests return HTTP 402 with EIP-3009 payment extras instead.","failureModes":["HTTP 402 returned when payment header is missing or invalid — includes EIP-3009 extras for payment resolution","Origin URL not reachable or misconfigured — may return connection error","Facilitator other than OpenX402 not supported — request rejected","Invalid HTTP method (only GET, HEAD, DELETE accepted) — validation error"],"whenToPreferThis":"Use this endpoint when you need to verify that an x402 micropayment gate is correctly configured and responding with EIP-3009 payment data on a specific origin. It is specifically suited for developers and agents testing x402 protocol compliance, debugging 402 payment flows, or confirming OpenX402 facilitator connectivity — not for general web diagnostics or non-x402 payment systems.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:38:04.660Z","isFirstParty":false,"canonicalSlug":"x402-tools-list-lag-diagnostic-bfd26397"}