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Developers and agents validating Brazilian CPF data
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AI Automation AgentsKey Features
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CPFHub.io
CPFHub.io is a REST API for Brazilian CPF data. A simple lookup (GET /cpf/{cpf}) returns name, gender and birth date in around 150 ms, while a real-time lookup (POST /cpf/realtime, CPF plus birth date) checks registration status and death year directly at Receita Federal in about a second. Its official remote MCP server lets AI agents like Claude and ChatGPT run these lookups as tools, with bulk jobs up to 10,000 CPFs and a public OpenAPI spec. The free plan includes 50 credits a month with no card. Worth weighing: CPF data is sensitive personal data under Brazil's LGPD, so make sure you have a lawful basis for the lookups you run.
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Pros
- Official MCP server
- Real-time Receita Federal checks
- Bulk jobs up to 10,000
Cons
- LGPD compliance is on you
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