{"uid":"cap_5d2W7Qo4Cn_HKo2kIb-yw","slug":"x402-tools-sig-alias-diagnostic-24ec9bde","name":"x402-tools Sig Alias Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/sigalias?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"}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"}}},"inputSchema":{"type":"object"}}},"responseSchema":{"type":"json","example":{"sku":"sigalias","note":"Example paid JSON shape. Not a live settle.","price":"$0.03","title":"Sig Alias"}},"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_MftWaz5e4h8n0OteyrR-X","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":"Returns a paid diagnostic response for the 'sigalias' SKU, verifying x402 payment flow and EIP-3009 authorization mechanics for a given URL or origin.","exampleAgentPrompt":"Run the x402 sigalias diagnostic on https://example.com to check if the payment gating is set up correctly and show me the response shape.","exampleUseCases":[{"title":"Verify x402 payment gate setup","prompt":"Check whether my API at https://myapi.dev is correctly returning HTTP 402 with EIP-3009 payment details for unpaid requests — use the x402 sigalias diagnostic."},{"title":"Debug x402 facilitator integration","prompt":"I set up OpenX402 on my origin https://myservice.io — can you run the sigalias probe to confirm the x402 payment flow is working end-to-end?"},{"title":"Inspect x402 response shape for compliance","prompt":"Run an x402 diagnostics check on https://openclawproductions.com using the sigalias SKU and show me what the paid response looks like so I can match it in my implementation."}],"resultDescription":"A JSON object containing the SKU name ('sigalias'), a diagnostic note, the price ($0.03), and a title field confirming the paid response shape. Unpaid requests return HTTP 402 with EIP-3009 payment extras instead.","failureModes":["HTTP 402 returned if payment is not included — response will contain EIP-3009 payment authorization extras","Invalid or unreachable URL in query parameters returns an error","Unsupported HTTP method (only GET, HEAD, DELETE allowed) returns a validation error","Non-x402-compatible origin URL may return unexpected diagnostic output"],"whenToPreferThis":"Use this endpoint when you need to verify or debug x402 payment protocol compliance for a specific URL or origin, especially when working with OpenX402 as the facilitator. It is purpose-built for x402 diagnostics rather than general HTTP inspection or payment processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:48:16.831Z","isFirstParty":false,"canonicalSlug":"x402-tools-sig-alias-diagnostic-24ec9bde"}