{"uid":"cap_V9CA-kSJZPNFDQv_KToPN","slug":"x402-tools-grant-scroll-paid-diagnostic-endpoint-79d214ab","name":"x402-tools Grant Scroll Paid Diagnostic Endpoint","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/grantscroll?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"grantscroll","note":"Example paid JSON shape. Not a live settle.","price":"$0.18","title":"Grant Scroll"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.18","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":"$0.18/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.18","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.18","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cNPBvNNS9nawJJbhksqeP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.18","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 payload ('Grant Scroll' SKU) via the x402 HTTP payment protocol, gating access with an EIP-3009 micropayment of $0.18 USDC facilitated by OpenX402.","exampleAgentPrompt":"Can you test the x402 Grant Scroll diagnostic endpoint and confirm my USDC micropayment of $0.18 goes through and I get back a valid paid JSON response?","exampleUseCases":[{"title":"Verifying x402 wallet integration","prompt":"I just set up my x402 wallet — can you hit the Grant Scroll diagnostic endpoint for $0.18 USDC and confirm the payment settles and I get back the paid JSON payload?"},{"title":"Testing agent payment capability","prompt":"I need to confirm my AI agent can autonomously pay for gated APIs — send $0.18 USDC via EIP-3009 to the Grant Scroll SKU endpoint and show me what comes back."},{"title":"Debugging HTTP 402 payment gating","prompt":"I'm getting HTTP 402 errors on an x402 API — can you try the Grant Scroll diagnostic on OpenX402 and tell me if the payment authorization goes through correctly?"}],"resultDescription":"A JSON object containing the SKU identifier ('grantscroll'), a descriptive title ('Grant Scroll'), the price ('$0.18'), and a diagnostic note confirming the paid response shape. If payment is not included or fails, the endpoint returns HTTP 402 with EIP-3009 extras describing the required payment.","failureModes":["HTTP 402 returned when no valid x402 payment header is provided — response includes EIP-3009 payment requirement details","Payment authorization rejected if EIP-3009 token is malformed, expired, or from an unsupported wallet","Facilitator unavailable: OpenX402 is the only accepted facilitator; other facilitators will be rejected","Insufficient USDC balance causes payment failure and HTTP 402 response","Network or RPC errors on the blockchain side may cause intermittent payment settlement failures"],"whenToPreferThis":"Choose this endpoint when you need to test or validate an end-to-end x402 HTTP micropayment flow using EIP-3009 and USDC, specifically against the OpenX402 facilitator. It is ideal for integration testing, agent payment capability verification, or debugging HTTP 402 gating behavior. It is not suitable for production data retrieval or non-x402 payment workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:48:11.089Z","isFirstParty":false,"canonicalSlug":"x402-tools-grant-scroll-paid-diagnostic-endpoint-79d214ab"}