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TIN / CPF / CNPJ Check Brazil

To validate a Brazilian Tax Identification Number (TIN ), you must put the TIN , CPF or CNPJ number on top, which must obey the following format:

For Individuals (TIN / CPF)

The Taxpayer indentification number (TIN) assumes the following format:
• NNN.NNN.NNN-NN (11 digits)

CPF stands for “Individual Taxpayer Registry” and is equivalent to the tax identification number (TIN) for individuals.

For Entities (TIN / CNPJ)

The Taxpayer indentification number (TIN) assumes the following format:
• NN.NNN.NNN / NNNN-NN (14 digits)

The CNPJ stands for “National Register of Legal Entities” and is equivalent to tax identification number (TIN) for legal entities.

N identifies that it must be a numeric digit.

After validation, additional information about the introduced CPF or CNPJ will be made available.

12.345.678/0001-95 11.444.777/0001-61 470.392.165-07
tincheck app
tincheck dash


We are excited to announce the release of the latest version of the TIN-Check Dashboard, the premier tool for conducting TIN checks.
This new version features a sleek, modern design and enhanced functionality to make TIN checks even more convenient and efficient.

The TIN-Check Dashboard is the ultimate solution for verifying TINs and ensuring compliance.

Upgrade to the latest version today and experience the power and convenience of the TIN-Check Dashboard.

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API Full security

At TIN Check, we take the security of our API very seriously.
We have implemented a number of measures to ensure that our API is secure and protected against potential threats.
These measures include 256-bit TLS/SSL encryption.
We are committed to maintaining the highest standards of security and will continue to invest in the latest
technologies and best practices to keep our API safe and secure for all users.