{"uid":"cap_yOVg-w0Pt5AYKLyDKN4QY","slug":"x402-tools-input-miss-diagnostic-0b86ba37","name":"x402-tools Input Miss Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/inputmiss?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"}}},"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":"inputmiss","note":"Example paid JSON shape. Not a live settle.","price":"$0.03","title":"Input Miss"}},"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_uXMzvWENj-5kRDjqR77MT","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":"Diagnoses missing or malformed input on a public 402-gated URL endpoint, returning structured x402 payment and diagnostic metadata.","exampleAgentPrompt":"Run an x402 input-miss diagnostic against my public API endpoint at https://myapi.example.com using a GET request — I want to see what required input fields are missing and why it's returning a 402.","exampleUseCases":[{"title":"Debug 402 rejection on new endpoint","prompt":"My x402 API at https://myservice.io/pay keeps returning 402 errors — can you run the input-miss diagnostic against it with a GET to find out what required inputs I'm not sending?"},{"title":"Validate x402 facilitator input setup","prompt":"I'm setting up an OpenX402 facilitator and need to confirm my endpoint at https://openclawproductions.com correctly flags missing inputs — run the inputmiss diagnostic on it via GET and show me the diagnostic note and SKU."},{"title":"Probe unknown x402-gated URL for input requirements","prompt":"Can you probe https://partner-api.example.com using the x402 input-miss tool with a HEAD request to figure out what input fields that 402-gated endpoint expects before I build my integration?"}],"resultDescription":"Returns a JSON object containing the SKU name ('inputmiss'), a human-readable diagnostic note explaining the input miss condition, the price per call ($0.03), and a title field. Unpaid requests receive an HTTP 402 response with EIP-3009 payment extras from the OpenX402 facilitator.","failureModes":["Unpaid request returns HTTP 402 with EIP-3009 payment challenge — agent must complete payment via OpenX402 facilitator before receiving diagnostic result","Invalid or unreachable target URL results in inability to probe the endpoint","Only GET, HEAD, and DELETE HTTP methods are supported — POST or PUT requests will be rejected","Missing required 'input' object with 'type' and 'method' fields returns a validation error","Non-public or firewalled origin URLs cannot be probed and will fail silently or return an error"],"whenToPreferThis":"Choose this endpoint when you need to specifically diagnose missing or malformed input on an x402-gated HTTP endpoint and want a paid, structured diagnostic response from the OpenX402 facilitator. It is particularly useful when debugging HTTP 402 rejections caused by input validation failures, and when you need EIP-3009-compatible payment metadata alongside the diagnostic. Prefer this over generic HTTP probing tools when the target is an x402-protocol endpoint and you need SKU-level diagnostic detail.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:37:56.309Z","isFirstParty":false,"canonicalSlug":"x402-tools-input-miss-diagnostic-0b86ba37"}