About
CPFHub.io is a developer API for checking Brazilian individual taxpayer numbers (CPF), used mainly for fraud prevention at sign-up and checkout. A standard lookup returns the holder's name, gender and birth date, and a real-time endpoint queries the Receita Federal (Brazil's tax authority) with CPF + birth date and returns the official registration status (e.g. REGULAR, SUSPENSA). There is a free plan (50 credits/month, no card), batch lookups of up to 10,000 CPFs, and a hosted MCP server so AI agents can call it directly.
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