{"uid":"cap_vzwxb4lq6V3A895Og1JNl","slug":"x402-tools-method-probe-96bf333d","name":"x402-tools Method Probe","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/methodprobe?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","description":"Public 402 or well-known URL. Defaults to this origin's Pipe Check."},"origin":{"type":"string","description":"Public origin URL. Alias of url."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"sku":"methodprobe","note":"Example paid JSON shape. Not a live settle.","price":"$0.03","title":"Method Probe"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AWjUMBBdLhDPxfhCiNodt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Probes a public URL using a specified HTTP method (GET, HEAD, or DELETE) to diagnose x402 payment-gated endpoints, returning structured diagnostics about the 402 response and EIP-3009 payment requirements.","exampleAgentPrompt":"Use the x402 Method Probe to check what payment requirements come back when you do a GET request against https://example.com/api/paid-endpoint — I want to see the EIP-3009 extras and 402 details.","exampleUseCases":[{"title":"Debugging a failing x402 micropayment","prompt":"My agent is hitting a 402 on https://myservice.com/api/data with a GET request and the payment keeps failing — can you probe that URL with a GET to see exactly what EIP-3009 payment metadata and facilitator it's requiring?"},{"title":"Auditing a new x402-gated endpoint","prompt":"I just deployed a new paid API at https://openclawproductions.com/api/v1/newfeature — probe it with a HEAD request to confirm it's correctly returning a 402 with the right x402 payment extras before I publish it."},{"title":"Comparing payment requirements across methods","prompt":"Can you probe https://partnerapi.io/resource using both GET and DELETE methods to see if the 402 payment requirements differ between them — I need to know the price and facilitator for each."}],"resultDescription":"A JSON object containing the SKU name, human-readable title, price (e.g. '$0.03'), and any EIP-3009 payment extras attached to the 402 response for the probed URL and method combination. On unpaid requests, returns HTTP 402 with payment metadata; on paid requests, returns the full diagnostic payload.","failureModes":["HTTP 402 returned when payment header is missing or invalid — expected behavior for unpaid calls","Invalid method enum (only GET, HEAD, DELETE accepted) causes request rejection","Target URL is unreachable or returns non-402 response — probe may return unexpected diagnostic data","OpenX402 facilitator unavailable — payment settlement fails","Malformed URL in query params causes input validation error"],"whenToPreferThis":"Choose this endpoint when you need to diagnose or audit x402-protocol-gated HTTP endpoints specifically — particularly to inspect EIP-3009 payment metadata, validate 402 response structure, or debug micropayment failures. It is purpose-built for the x402 ecosystem with OpenX402 as facilitator. Prefer it over generic HTTP probing tools when the target is a payment-gated API and you need structured payment metadata in the response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T03:52:27.710Z","isFirstParty":false,"canonicalSlug":"x402-tools-method-probe-96bf333d"}