{"uid":"cap_-X5DsdCWpgJrSQb5ZCaoX","slug":"reset-verifica-brazilian-cnpj-validator-1cf2d03e","name":"RESET Verifica – Brazilian CNPJ Validator","description":"Deterministically validate a Brazilian CNPJ (company taxpayer ID): format and both check digits (mod-11). Supports the traditional numeric format and the alphanumeric format in force since July 2026. Structural validation only.","url":"https://api.resetparatodos.com/x402/v1/brazil/cnpj/validate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cnpj":{"type":"string","description":"Brazilian CNPJ, 14 alphanumeric chars (numeric or 2026 alphanumeric)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XTUgz-dHxepWW6i_DJ9hR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Deterministically validates a Brazilian CNPJ (company taxpayer ID) by checking format and both mod-11 check digits, supporting both traditional numeric and the 2026 alphanumeric formats.","exampleAgentPrompt":"Can you validate this Brazilian CNPJ for me — 11.222.333/0001-81 — and tell me if the format and check digits are correct?","exampleUseCases":[{"title":"Onboarding Brazilian supplier validation","prompt":"Before we add this Brazilian vendor to our system, can you check whether their CNPJ 45.283.163/0001-49 is structurally valid with correct check digits?"},{"title":"Form submission pre-check","prompt":"A user just typed 12.345.678/0001-95 into our checkout form as their CNPJ — can you verify it's properly formatted and has valid check digits before we process their order?"},{"title":"Validating 2026 alphanumeric CNPJ","prompt":"We received a CNPJ in the new alphanumeric format introduced in 2026 — AB.CDE.FGH/0001-IJ — can you check whether it passes the structural validation rules?"}],"resultDescription":"Returns a structured JSON response indicating whether the CNPJ is valid, including whether the format is correct and whether both mod-11 check digits pass. May also indicate whether the CNPJ is in the traditional numeric or the new 2026 alphanumeric format.","failureModes":["Invalid or malformed CNPJ string returns validation failure with reason","CNPJ with incorrect check digits flagged as invalid","Input shorter or longer than 14 alphanumeric characters rejected","Non-alphanumeric characters that are disallowed cause format error","Empty or missing cnpj field returns input validation error"],"whenToPreferThis":"Choose this endpoint when you need fast, deterministic, offline-style structural validation of a Brazilian CNPJ — especially when you do not need live registry lookup and just want to confirm the number is correctly formed with valid check digits. It also handles the post-July-2026 alphanumeric CNPJ format, making it future-proof for new-format Brazilian company IDs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:35:42.197Z","isFirstParty":false}