CPFHub.io is a REST API for Brazilian CPF data. GET /cpf/{cpf} returns name, gender and birth date in about 150 ms. POST /cpf/realtime checks registration status and death year directly with the Receita Federal (CPF + birth date, about 1 s). Bulk lookups up to 10k CPFs, official MCP server for AI agents, SDKs. Free plan: 50 credits/month, no card.
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