{"uid":"cap_rqvd5h4fbfTfHtneqEnW3","slug":"x402-tools-verb-404-drift-diagnostic-22bbee6e","name":"x402-tools Verb 404 Drift Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/verb404drift?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":{"url":{"type":"string"},"origin":{"type":"string"}}}},"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":"verb404drift","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Verb 404 Drift"}},"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_iqrzc9otLKwaDsoFmltVq","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":"Runs a paid x402 HTTP diagnostics check (verb/404/drift analysis) on a target URL, returning structured diagnostic data after USDC micropayment via EIP-3009.","exampleAgentPrompt":"Run an x402 verb-drift diagnostic on https://example.com using a GET request to check whether it returns a proper 402 with EIP-3009 payment extras.","exampleUseCases":[{"title":"Validate new x402-gated API endpoint","prompt":"I just deployed a new paid API at https://myapi.dev — can you run an x402 verb-drift diagnostic on it with a GET request to confirm it's returning the right 402 and EIP-3009 payment fields?"},{"title":"Debug broken 402 payment wall","prompt":"My endpoint at https://payments.acme.com/data seems to be misbehaving — can you probe it with a HEAD request using the x402 verb-drift check to see if the 402 response and eip3009 extras look correct?"},{"title":"Audit x402 compliance before launch","prompt":"Before I go live, can you run the verb-drift diagnostic on https://staging.openclawproductions.com with a DELETE request to make sure the x402 pipe check passes and the payment metadata is properly structured?"}],"resultDescription":"Returns a JSON object containing the SKU name ('verb404drift'), a descriptive title ('Verb 404 Drift'), the price ($0.02), and a diagnostic note. On unpaid requests, returns HTTP 402 with EIP-3009 payment extras indicating the required payment details.","failureModes":["HTTP 402 returned if payment not included — includes EIP-3009 extras for payment instructions","Invalid or unreachable target URL returns an error","Unsupported HTTP method (only GET, HEAD, DELETE allowed) results in validation error","Facilitator other than OpenX402 not supported — non-OpenX402 facilitators will be rejected","Malformed input schema (missing required 'type' or 'method' fields) causes request failure"],"whenToPreferThis":"Choose this endpoint when you need to diagnose, validate, or audit x402 HTTP payment-wall behavior on a URL — specifically for verb drift, 402 response correctness, and EIP-3009 extras. Best suited for developers and agents building or testing x402-compliant APIs who need a low-cost ($0.02 USDC) automated probe. Prefer this over generic HTTP testers when you specifically need x402/EIP-3009 payment protocol validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:48:11.088Z","isFirstParty":false,"canonicalSlug":"x402-tools-verb-404-drift-diagnostic-22bbee6e"}