{"uid":"cap_kl0juXkXccLth4947ABse","slug":"afterwren-books-api-661712a8","name":"Afterwren Books API","description":"Retired APIs, back in one key. Clearbit API alternative, geocoder and Goodreads API replacement: one REST API + MCP server Try it free in one click, no sign-up.","url":"https://afterwren.cybermaxtools.com/x402/api/books?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"q":{"type":"string","description":"Title and/or author"},"isbn":{"type":"string","description":"ISBN-10 or ISBN-13 instead of q"},"limit":{"type":"string","description":"1-10, default 5"}}}}},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/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_4Zhs9H9zsdqu_l8TlekKS","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":"Search for books by title, author, or ISBN and retrieve metadata, replacing the retired Goodreads API","exampleAgentPrompt":"Search for books about 'The Name of the Wind' by Patrick Rothfuss and return the top 3 results with their ISBNs and descriptions.","exampleUseCases":[{"title":"Book lookup for reading list app","prompt":"Look up book details for 'Project Hail Mary' by Andy Weir — I need the ISBN, author info, and a description, up to 5 results."},{"title":"ISBN-based book identification","prompt":"I have the ISBN 9780439023481 — can you find the book details for it, like the title, author, and publication info?"},{"title":"Author bibliography discovery","prompt":"Search for books by Ursula K. Le Guin and give me the top 10 results with their titles and ISBNs."}],"resultDescription":"A JSON array of book records matching the query, each containing bibliographic metadata such as title, author(s), ISBN, description, publication date, and cover image URL, up to the specified limit (default 5, max 10).","failureModes":["No books found for the given query or ISBN — empty results array returned","Invalid ISBN format causes a 400 bad request","Rate limiting or payment failure results in a 402 response requiring USDC payment","Ambiguous title/author query returns unrelated books","limit parameter out of range (not 1-10) may cause a validation error"],"whenToPreferThis":"Use this endpoint when you need bibliographic data for books (by title, author, or ISBN) and Goodreads API is unavailable or retired. It is ideal for agents building reading lists, validating ISBNs, or enriching book catalogs. Prefer it over generic web search when you need structured, machine-readable book metadata rather than unstructured text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:35:46.241Z","isFirstParty":false,"canonicalSlug":"afterwren-books-api-661712a8"}