{"uid":"cap_nJBwygajC5U-Al2mgz4uP","slug":"x402-tools-schememix-diagnostics-1af4a797","name":"x402-tools Schememix Diagnostics","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/schememix?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":"schememix","note":"Example paid JSON shape. Not a live settle.","price":"$0.03","title":"Scheme Mix"}},"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_wGS0sGHAGAIxaOkfkIQSE","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":"Runs x402 protocol diagnostics on a target URL or origin, returning payment metadata and pipe-check results for HTTP 402 flows","exampleAgentPrompt":"Can you run x402 schememix diagnostics on https://example.com/api/resource using a GET request to check what payment metadata and 402 headers it returns?","exampleUseCases":[{"title":"Verify 402 compliance before integrating","prompt":"I'm about to integrate with an external API that claims to support x402 payments — can you run the schememix pipe check on https://partner.io/api/data with a GET request to confirm it returns proper 402 payment metadata?"},{"title":"Debug broken x402 payment flow","prompt":"My x402 payment flow isn't working for https://myapp.com/premium-endpoint — can you probe it with a GET request using schememix diagnostics and tell me what EIP-3009 extras and payment info it's returning?"},{"title":"Audit new x402-gated origin","prompt":"I just deployed a new paid API at https://newservice.example.com and want to make sure the x402 scheme is configured correctly — can you run schememix diagnostics on that origin with a HEAD request to see what the 402 response looks like?"}],"resultDescription":"Returns a JSON object with fields including SKU name ('schememix'), title, price, and a note field — along with any x402/EIP-3009 payment extras embedded in the 402 response. On unpaid requests the endpoint itself returns HTTP 402 with payment challenge details.","failureModes":["HTTP 402 returned if the $0.03 USDC payment is not included — includes EIP-3009 payment challenge extras","Invalid or unreachable target URL results in probe failure","Non-GET/HEAD/DELETE HTTP methods rejected by schema validation","Missing required 'type' or 'method' fields returns validation error","Facilitator other than OpenX402 not supported"],"whenToPreferThis":"Choose this endpoint when you need to diagnose, validate, or inspect x402 HTTP 402 payment flows for a specific URL or origin — particularly to verify EIP-3009 payment metadata, check scheme compliance, or debug payment gating. It is specialized for x402 protocol diagnostics via OpenX402 facilitator only, not for general HTTP inspection or non-x402 payment systems.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:23:35.709Z","isFirstParty":false,"canonicalSlug":"x402-tools-schememix-diagnostics-1af4a797"}