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CNPJ.ws

Keep your suppliers' and customers' data always up to date, consult the complete data of any company using the CNPJ, get to know our API and integrate it into your system!

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CNPJ Query API

CNPJ.ws is an API (Application Programming Interface) for querying data of legal entities through the CNPJ. It is designed to provide public data about Brazilian companies in JSON format, making it easy to integrate with any software. The API is developed and maintained by Bitize, a startup born in the Sorocaba Technology Park, which uses this data to find and approve suppliers for its clients.

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Easy to Use

Well-documented, simple, and easy-to-use API that returns public information about companies through their CNPJ.

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Detailed Information

Get all the company data by CNPJ: Partners, Branches, Addresses, National Simple, MEI, State Registrations, and much more!

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Complete API

Use filters to search for companies by state, city, CNAE (national classification of economic activities), registration status, and state registration.

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Data Source

CNPJ.ws periodically fetches data from various public agencies, such as the Federal Revenue, Sintegra, and Suframa, to enrich its database and provide relevant and updated information to its users in an organized and fast manner.

Plans

CNPJ.ws offers various plans to meet the needs of your company and your system.

Monthly limits are not cumulative for the following periods.

Charges are monthly and Service Invoices are issued for each charge after payment.

In paid plans, after reaching the contracted query limit, it is possible to continue making queries but with a limit of 4 queries per minute.

In our Free API, it is possible to make up to 3 queries per minute and in paid plans there is no limit of queries per minute, the limitation is by a monthly amount.