{"uid":"cap_xhPeQwIigBw5N7HJXerCt","slug":"x402-tools-rate-limit-book-diagnostic-69de5caa","name":"x402-tools Rate Limit Book Diagnostic","description":"Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.","url":"https://openclawproductions.com/api/v1/ratelimitbook?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"sku":"ratelimitbook","note":"Example paid JSON shape. Not a live settle.","price":"$0.25","title":"Rate Limit Book"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_t0JT4KBAHB5K5sssenG8D","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","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 'ratelimitbook' SKU, demonstrating x402 HTTP 402 payment-gated API mechanics with EIP-3009 payment extras via OpenX402 facilitator.","exampleAgentPrompt":"Fetch the x402 rate limit book diagnostic for me — I want to confirm the OpenX402 payment flow is working and see what the paid JSON response looks like after settling 0.25 USDC.","exampleUseCases":[{"title":"Verify x402 payment integration","prompt":"Can you hit the x402 ratelimitbook endpoint and confirm that paying 0.25 USDC via OpenX402 returns the expected paid JSON shape instead of a 402 error?"},{"title":"Inspect EIP-3009 402 response details","prompt":"I need to see what HTTP 402 headers and EIP-3009 extras this rate limit book endpoint sends back when I haven't paid yet — can you fetch it unpaid and show me the response?"},{"title":"Test micropayment-gated API in staging","prompt":"Run a diagnostic against the OpenX402 ratelimitbook SKU and show me the full JSON result after the USDC micropayment settles, so I can verify my x402 integration is wired up correctly."}],"resultDescription":"A JSON object containing the SKU identifier ('ratelimitbook'), a diagnostic note clarifying this is an example paid response, the price ($0.25), and the product title ('Rate Limit Book'). Unpaid requests return HTTP 402 with EIP-3009 payment extras instead.","failureModes":["HTTP 402 returned if x402 payment has not been settled — includes EIP-3009 payment authorization details in response extras","Payment processed by unsupported facilitator (only OpenX402 accepted) results in rejection","Malformed or missing EIP-3009 authorization headers cause payment failure","Network timeout or server unavailability returns standard HTTP error"],"whenToPreferThis":"Choose this endpoint when you need to test or demonstrate the x402 HTTP micropayment protocol in action, specifically using the OpenX402 facilitator and USDC via EIP-3009. It is ideal for developers verifying their x402 client integration, inspecting 402 response payloads, or confirming that payment-gated API mechanics work end-to-end. Not suitable for production data retrieval or non-x402 payment contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:40:42.057Z","isFirstParty":false,"canonicalSlug":"x402-tools-rate-limit-book-diagnostic-69de5caa"}