{"uid":"cap_oslY9YG3YADtmJVaBoFDI","slug":"brasil-dados-api-cnpj-validator-5ab7a3ca","name":"Brasil Dados API – CNPJ Validator","description":"Validate a Brazilian CNPJ company tax ID (check digits).","url":"https://brasil-dados-api.onrender.com/cnpj/:var1","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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PYe9hFm4es2qywYcYPH2R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a Brazilian CNPJ company tax ID by verifying its check digits.","exampleAgentPrompt":"Can you check whether the Brazilian CNPJ 11.222.333/0001-81 is valid — just the check digit verification?","exampleUseCases":null,"resultDescription":"Returns whether the provided CNPJ number has valid check digits, indicating if the ID is structurally legitimate as a Brazilian company tax identifier.","failureModes":["Invalid or malformed CNPJ format returns validation failure","Missing path parameter causes 404 or bad request","CNPJ with incorrect number of digits returns error","Service may be temporarily unavailable on free-tier hosting (cold start latency or downtime on Render)"],"whenToPreferThis":"Use this endpoint when you need a fast, low-cost check of a Brazilian CNPJ's structural validity (check digit algorithm) without requiring a full registry lookup. Ideal for form validation, compliance pre-screening, or filtering obviously invalid CNPJs before a more expensive database query.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:32:09.746Z","isFirstParty":false}