# CPF.CNPJ

> Brazilian API service for CPF and CNPJ registration-data lookups and validation. The website presents packages, pricing, integration documentation and industry use cases.

Fields, data sources, update frequency and conditions depend on the selected package. This index describes public website content; it does not expose lookup results or customer records.

## Documentation variants

- [llms.txt](https://www.cpfcnpj.com.br/llms.txt): Índice em português.
- [llms-full.txt](https://www.cpfcnpj.com.br/llms-full.txt): Resumo expandido em português.
- [llms-en.txt](https://www.cpfcnpj.com.br/llms-en.txt): English index.
- [llms-full-en.txt](https://www.cpfcnpj.com.br/llms-full-en.txt): Expanded English overview.

## Services and integration

- [CPF lookup](https://www.cpfcnpj.com.br/en/api-cpf-lookup/): Individual registration data, depending on the package.
- [CNPJ lookup](https://www.cpfcnpj.com.br/en/api-cnpj-lookup/): Company registration data, depending on the package.
- [CPF and CNPJ validation](https://www.cpfcnpj.com.br/en/api-cpf-cnpj-validation/): Document validation and registration workflows.
- [Federal Revenue data](https://www.cpfcnpj.com.br/en/api-federal-revenue/): Overview of lookups related to Brazilian Federal Revenue data.
- [KYC and onboarding](https://www.cpfcnpj.com.br/en/api-kyc-onboarding/): Customer verification workflows.
- [API documentation](https://www.cpfcnpj.com.br/dev/): Integration reference; a single page without a language prefix.

## Plans and packages

- [Pricing and features](https://www.cpfcnpj.com.br/en/pricing/): Plan comparison, CPF/CNPJ/NFe packages and on-demand catalog.

## Comparisons

- [CPF.CNPJ and Serpro](https://www.cpfcnpj.com.br/en/cpfcnpj-vs-serpro/): Public comparison of coverage, data freshness and contracting model.

## Industries

- [All industries](https://www.cpfcnpj.com.br/en/segmentos/): Index of sector-specific applications.
- [Financial services](https://www.cpfcnpj.com.br/en/segments/financial/): Solutions for financial operations.
- [Fintech](https://www.cpfcnpj.com.br/en/segments/fintech/): Registration checks for digital financial products.
- [E-commerce](https://www.cpfcnpj.com.br/en/segments/e-commerce/): Registration and purchase workflows.
- [Transport](https://www.cpfcnpj.com.br/en/segments/transport/): Registration checks for transport workflows.
- [Betting and iGaming](https://www.cpfcnpj.com.br/en/segments/betting/): Identity-related applications in the sector.
- [Crypto](https://www.cpfcnpj.com.br/en/segments/crypto/): Registration verification applications.

## Use cases

- [All use cases](https://www.cpfcnpj.com.br/en/casos-uso/): Index of verification workflows by application.
- [KYC](https://www.cpfcnpj.com.br/en/use-cases/kyc/): Registration verification during onboarding.
- [Fintech](https://www.cpfcnpj.com.br/en/use-cases/fintech/): Workflows for digital financial services.
- [E-commerce](https://www.cpfcnpj.com.br/en/use-cases/ecommerce/): Identification workflows in online commerce.
- [Betting](https://www.cpfcnpj.com.br/en/use-cases/betting/): User registration verification.
- [Crypto](https://www.cpfcnpj.com.br/en/use-cases/crypto/): Registration verification on platforms.
- [Mobility](https://www.cpfcnpj.com.br/en/use-cases/mobility/): Registration workflows for mobility.
- [Healthcare](https://www.cpfcnpj.com.br/en/use-cases/healthcare/): Applications in healthcare registration.
- [Cooperatives](https://www.cpfcnpj.com.br/en/use-cases/cooperatives/): Applications for cooperatives.
- [Events](https://www.cpfcnpj.com.br/en/use-cases/events/): Applications in event registration.

## Customer scenarios

- [All scenarios](https://www.cpfcnpj.com.br/en/cases/): Index of the applications presented on the website.
- [Credit fintech](https://www.cpfcnpj.com.br/en/cases/fintech-credito/): Application in credit granting and analysis.
- [Credit union](https://www.cpfcnpj.com.br/en/cases/cooperativa-credito/): Application in member registration.
- [Marketplace and e-commerce](https://www.cpfcnpj.com.br/en/cases/marketplace-ecommerce/): Application in seller and buyer registration.
- [Crypto exchange](https://www.cpfcnpj.com.br/en/cases/exchange-cripto/): Application in account registration checks.
- [Betting platform](https://www.cpfcnpj.com.br/en/cases/plataforma-apostas/): Application in user identification.
- [Mobility platform](https://www.cpfcnpj.com.br/en/cases/plataforma-mobilidade/): Application in driver and passenger registration.

## Company, security and contact

- [Home](https://www.cpfcnpj.com.br/en/): Service overview and brands displayed on the website.
- [About us](https://www.cpfcnpj.com.br/en/about-us/): Company overview.
- [Security and compliance](https://www.cpfcnpj.com.br/en/security-and-compliance/): Security information and public certification references.
- [LGPD](https://www.cpfcnpj.com.br/en/lgpd/): Information about privacy and data protection.
- [Privacy policy](https://www.cpfcnpj.com.br/en/privacy-policy/): Published data processing policy.
- [Terms of use](https://www.cpfcnpj.com.br/en/terms-of-use/): Published terms of service.
- [Contact](https://www.cpfcnpj.com.br/en/contact/): Sales and support channels.

## Content and help

- [Blog](https://www.cpfcnpj.com.br/en/blog/): Articles about registration data, integrations and verification.
- [Guides](https://www.cpfcnpj.com.br/en/blog/guias/): Reference material on registration data and integration.
- [Registration data and LGPD](https://www.cpfcnpj.com.br/en/blog/guias/dados-cadastrais-lgpd-guia/): Guide on handling registration data under the Brazilian data protection law.
- [Real-time data (D+0)](https://www.cpfcnpj.com.br/en/blog/guias/dados-em-tempo-real-d0/): Guide on data freshness and the D+0 concept.
- [Leaked databases](https://www.cpfcnpj.com.br/en/blog/guias/bases-de-dados-vazadas-risco/): Guide on the risks of using unofficial data sources.
- [Glossary](https://www.cpfcnpj.com.br/en/glossario/): Definitions of registration, verification and compliance terms.
- [Help center](https://www.cpfcnpj.com.br/en/faq/): Questions and guidance about the service.

## Contact details

- [Contact](mailto:contato@cpfcnpj.com.br): Sales and support.
- [Privacy contact](mailto:dpo@alas.technology): Data protection contact published on the LGPD page.