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CPF CNPJ

JSON →
library 1.1.0 ·ruby
✓ verified Jun 18, 2026
utility

Validate, generate and format CPF/CNPJ numbers. Include command-line tools.

Resources

docswww.rubydoc.info/gems/cpf_cnpj/ ↗
githubgithub.com/fnando/cpf_cnpj ↗

API endpoints

full doc /v1/registry/cpf-cnpj
install /v1/registry/cpf-cnpj/install