{"uid":"cap_Xf83vitVYD6GDaztGwkHS","slug":"x402-tools-soft-fail-3-diagnostics-455b738b","name":"x402-tools Soft Fail 3 Diagnostics","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/softfail3?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"softfail3","note":"Example paid JSON shape. Not a live settle.","price":"$0.02","title":"Soft Fail 3"}},"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_nRQSf3xswsw0Zu7UC6osg","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 diagnostic JSON response for the 'softfail3' SKU to test x402 payment-gated API flows with EIP-3009 authorization.","exampleAgentPrompt":"Run the x402 softfail3 diagnostic test against OpenX402 to confirm that an unpaid request correctly returns HTTP 402 with EIP-3009 extras, and that a paid $0.02 USDC call returns the expected JSON shape.","exampleUseCases":[{"title":"Validate x402 payment gating behavior","prompt":"I'm building an x402-enabled API and want to confirm that my endpoint correctly returns a 402 with EIP-3009 extras when a request arrives without payment — can you run the softfail3 diagnostic to verify the flow?"},{"title":"Test OpenX402 facilitator integration","prompt":"Can you probe the x402 softfail3 SKU through OpenX402 and tell me if the facilitator is correctly processing $0.02 USDC payments and returning the expected diagnostic JSON?"},{"title":"Debug x402 agent payment pipeline","prompt":"My AI agent is supposed to auto-pay x402 endpoints using EIP-3009 — can you run the softfail3 diagnostic test to confirm the full payment-then-response cycle works and shows the correct sku, price, and title fields?"}],"resultDescription":"Returns a JSON object containing the SKU identifier ('softfail3'), a diagnostic note, the price ('$0.02'), and a title ('Soft Fail 3'). If payment is not provided, returns HTTP 402 with x402 and EIP-3009 extras in the response headers/body, which can be used to initiate the payment flow.","failureModes":["HTTP 402 returned when no valid x402 payment header is present — expected behavior for unpaid requests","Payment rejected if facilitator other than OpenX402 is used","Malformed EIP-3009 authorization causes payment verification failure","Network timeout or service unavailability returns 5xx","Invalid or missing properties parameter may yield unexpected response shape"],"whenToPreferThis":"Use this endpoint when you need to test or validate x402 payment protocol integration, specifically the soft-fail behavior where an unpaid request returns HTTP 402 with EIP-3009 metadata. Prefer this over other x402 diagnostic SKUs when you want to verify the complete paid/unpaid request cycle at a low cost ($0.02 USDC) using the OpenX402 facilitator specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T03:19:13.571Z","isFirstParty":false,"canonicalSlug":"x402-tools-soft-fail-3-diagnostics-455b738b"}