Overview

The CNPJ.ws API provides simple and fast access to information about Brazilian companies through their CNPJ number. These data are obtained from public agencies such as SEFAZ, CADESP, Sintegra, and Suframa and are organized to deliver the most useful information, expanding the possibilities of utilizing these data.

Basic JSON Structure

The data is structured to provide the maximum amount of useful information, enabling integration with various systems.

Data Types Used:

Abbreviation	Description
A	Array
S	String
D	Date
N	Number
O	Objct

Below is the basic structure returned by the CNPJ API:

Field	Type	Description
cnpj_raiz	S	CNPJ Root
razao_social	S	Company Name
capital_social	S	Share Capital
responsavel_federativo	S	Federative Responsible
criado_em	S	Registration Date in the CNPJ.ws database
atualizado_em	S	Last Update Date of the Information
porte	O	Company Size
natureza_juridica	O	Legal Nature
qualificacao_do_responsavel	O	Qualification of the Responsible
socios	O	List of Partners
estabelecimento	O	Establishment
simples	O	Simples and MEI Data

Data Lag

The maximum data lag is 45 days, with daily integrations with the state Sintegras with which we have integration.

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