CPF.CNPJ Guides

In-depth content on registration data, the LGPD, CPF and CNPJ validation and compliance — straight from official sources.

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Data & Privacy

Registration data and Brazil’s LGPD: the complete guide (official sources, real time and the risk of leaked databases)

A complete guide to CPF and CNPJ data lookups in Brazil: official sources vs. leaked databases, real-time data (D+0) and how the LGPD governs registration-data processing.

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Real-time data (D+0): what it is and why it matters for registration validation

Understand what D+0 means, the difference between real-time data and stale static databases, and why it directly affects fraud, credit and onboarding.

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Leaked databases: the hidden risk of using data from dubious sources

Why leaked databases are dangerous: incomplete, outdated, illicitly sourced data that exposes your company to fraud and to compliance risk under the LGPD.

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