Brazilian CPF and CNPJ Validator

A control to validate CPF (Cadastro de Pessoas Físicas) and CNPJ (Cadastro Nacional da Pessoa Jurídica) Brazilian codes.

What is a CPF or a CNPJ? How to get one and what you should know. - Wise

Invalid CPF: big risk for international companies that sell their services in Brazil.

How Does The Brazil CNPJ API Work

Tax Number Duplicity Restriction (CNPJ, CPF, State Inscription)

Generator n Validator CPF CNPJ APK for Android Download

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Tax Number Duplicity Restriction (CNPJ, CPF, State Inscription)

GitHub - mateusjunges/laravel-cpf-cnpj-validator: A simple class for validating CPF and CNPJ numbers

Mobile CNPJ Validate - Overview

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