{"uid":"cap_inEq1Bc0AzQMmo2qSj97c","slug":"rotary-agency-books-api-72d0bc63","name":"Rotary Agency Books API","description":"Free-source data APIs (100% margin, no proxy, $0.002/call): ...","url":"https://rotaryagency.uk/api/free/books?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"varies":"endpoint-specific structured JSON"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y71IMdHKoy0FUPK7BgUCs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves free-source book data via a paid-per-call REST endpoint","exampleAgentPrompt":"Can you look up book information for 'The Great Gatsby' — I need the author, publication year, and any available metadata about it?","exampleUseCases":[{"title":"Author bibliography research","prompt":"Find me all the book metadata you can for books written by George Orwell — title, year, and any description available."},{"title":"Book details for reading list","prompt":"I'm building a reading list app — can you pull the details for 'Dune' by Frank Herbert, including publication year and any synopsis?"},{"title":"Library catalog enrichment","prompt":"I need to enrich my catalog entry for 'To Kill a Mockingbird' — fetch whatever book metadata is available like ISBN, publisher, and genre."}],"resultDescription":"A structured JSON object containing book-related metadata such as title, author, publication year, ISBN, description, genre, and other bibliographic fields, varying based on the queried book's availability in the underlying data source.","failureModes":["Book not found in data source returns empty or null result","Malformed query parameters may return an error response","Payment failure (402) if USDC micropayment not completed","Rate limiting or timeout if upstream data source is unavailable","Ambiguous title/author may return unexpected results"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call book metadata lookups without committing to a subscription service. Best suited for agents that need occasional book data enrichment at $0.002/call rather than high-volume or real-time inventory APIs. Avoid if you need authoritative library-grade data with guaranteed schema stability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T20:28:43.050Z","isFirstParty":false,"canonicalSlug":"rotary-agency-books-api-72d0bc63"}