{"uid":"cap_rMLh79F9BWPt1YF5wQPCX","slug":"x402-tools-sampfree200-paid-diagnostics-endpoint-16d88953","name":"x402-tools sampfree200 Paid Diagnostics Endpoint","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/sampfree200?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":"sampfree200","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Samp Free 200"}},"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_n-CErKUtY9HYKGahSQ1xM","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 x402 diagnostic JSON response for the sampfree200 SKU, gated behind a $0.02 USDC micropayment via the x402/EIP-3009 protocol.","exampleAgentPrompt":"Run an x402 diagnostic GET probe on my endpoint URL to check if it's returning the correct HTTP 402 and eip3009 payment extras — use the sampfree200 SKU and pay the $0.02 USDC fee to get back the live diagnostic result.","exampleUseCases":[{"title":"Verify x402 pipe check on live URL","prompt":"Can you probe my API at https://myapp.example.com to check whether it's correctly returning HTTP 402 with eip3009 extras when payment is missing? Use a GET request and pay the $0.02 diagnostic fee."},{"title":"Debug failing x402 payment integration","prompt":"My x402-gated endpoint keeps rejecting payments — can you run a paid diagnostic GET check against it to see what the 402 response looks like and whether the eip3009 fields are set up right?"},{"title":"Confirm OpenX402 facilitator compatibility","prompt":"I need to make sure my API is compatible with the OpenX402 facilitator — can you do an x402 diagnostic probe on https://myservice.io/api/resource using GET and show me the SKU and payment details in the response?"}],"resultDescription":"A JSON object containing the SKU name ('sampfree200'), a human-readable title ('Samp Free 200'), the price ('$0.02'), and a diagnostic note. Unpaid requests receive an HTTP 402 response with EIP-3009 payment extras instead.","failureModes":["HTTP 402 returned with eip3009 extras if payment header is missing or invalid","Invalid URL input causes probe to fail or return error","Non-GET/HEAD/DELETE method rejected by input schema","Facilitator not OpenX402 will result in payment rejection","Malformed origin/url query parameter returns error"],"whenToPreferThis":"Use this endpoint when you need to test, validate, or debug an x402 micropayment-gated API endpoint, specifically to verify that HTTP 402 responses and EIP-3009 payment extras are correctly implemented. Prefer this over generic HTTP probes when you need x402-protocol-aware diagnostics and are using the OpenX402 facilitator.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:47:52.351Z","isFirstParty":false,"canonicalSlug":"x402-tools-sampfree200-paid-diagnostics-endpoint-16d88953"}