{"uid":"cap_hWY03ex_JctVbROFPB2BA","slug":"gocreative-isbn-validator-977c076f","name":"GoCreative ISBN Validator","description":"Keyless, pay-per-call compliance & regulated-data API for AI agents — OFAC wallet + sanctions/PEP + KYB screening, SEC filings, FRED economics, FDA recalls, federal awards, plus continuous monitoring. USDC on Base/Solana via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/validate/isbn/%7Barg%7D","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZUkEKlLituEmWBJqdIseG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an ISBN (International Standard Book Number) to confirm it is well-formed and legitimate","exampleAgentPrompt":"Can you check whether the ISBN 978-0-06-112008-4 is valid?","exampleUseCases":null,"resultDescription":"Returns a validation result indicating whether the provided ISBN is well-formed, including checksum validity and possibly normalized format or metadata about the identifier structure.","failureModes":["Invalid or malformed ISBN string returns validation failure or error response","Missing input query parameter returns 400 bad request","Non-numeric or garbage input may return an error or false validation","Payment failure via x402 returns 402 Payment Required before processing"],"whenToPreferThis":"Use this endpoint when you need a quick, cheap ($0.005 USDC) programmatic check on whether an ISBN string is valid — useful for data cleaning pipelines, e-commerce catalog validation, library systems, or any workflow ingesting book identifiers from untrusted sources. No API key or signup required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-09T01:03:19.805Z","isFirstParty":false}