{"uid":"cap_pCDWmY6jIufpXqH0oZKoL","slug":"quantaflow-x402-gateway-openlibrary-proxy-581530d1","name":"QuantaFlow x402 Gateway — OpenLibrary Proxy","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/openlibrary?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"body":{"type":"string","description":"Optional JSON body forwarded to POST requests."},"path":{"type":"string","description":"Path below the selected upstream origin."},"query":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"description":"The upstream response body and content type are passed through after successful payment."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7ExXwBmfBSgeNNEROqOXL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies requests to the Open Library API via the x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Search Open Library for books by Ursula K. Le Guin — I want to see a list of her works with titles and edition counts.","exampleUseCases":[{"title":"ISBN book metadata lookup","prompt":"Look up the book details for ISBN 9780743273565 on Open Library — I need the title, author, and publication year."},{"title":"Author works discovery","prompt":"Find all the works listed under the author 'Cormac McCarthy' on Open Library and give me their titles and first publish years."},{"title":"Subject-based book search","prompt":"Search Open Library for books on the subject 'machine learning' and return the top 5 results with their titles and authors."}],"resultDescription":"The raw upstream Open Library API response is passed through after successful x402 micropayment, including book records, author data, search result lists, edition details, or any other data returned by the Open Library endpoint at the specified path.","failureModes":["Payment failure — insufficient USDC balance or x402 protocol error returns 402 Payment Required","Invalid path — a malformed or non-existent Open Library endpoint path returns an upstream 404","Rate limiting — Open Library upstream rate limits may cause 429 or 503 responses","Malformed query parameters — incorrect query formatting may return empty results or upstream 400 errors","Gateway downtime — Vercel deployment unavailability returns 500 or timeout errors"],"whenToPreferThis":"Use this endpoint when you need programmatic, pay-per-call access to Open Library data via the x402 micropayment protocol and do not want to manage Open Library API credentials or rate limits directly. Suitable for agents that already have a USDC wallet integrated with x402 and need lightweight bibliographic lookups without committing to a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T12:46:44.004Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-gateway-openlibrary-proxy-581530d1"}