Consult companies by CNPJ for Brazilian companies.
ReceitaWS is an API that provides data from Brazil's Receita Federal (federal revenue service) based on CNPJ (company registration number) lookups. Queries return JSON records including company name, trade name, registration status, opening date, legal nature, primary and secondary business activities, address, phone, email, share capital, and Simples/SIMEI tax regime status. The provider states its database covers over 68 million CNPJs and handles more than 5 million queries per day.
The service is aimed at developers and data teams building customer registration forms, sales-channel validation (e.g., automatic CNPJ validation in chat or checkout flows), credit and collections analysis, customer database enrichment, and fraud-risk reduction. It offers a free tier (3 requests/minute, 130,000 database queries/month, no real-time queries) alongside paid tiers named Bronze, Prata, Ouro, Esmeralda, and Diamante, which scale up rate limits, monthly database query volume, and monthly real-time query allowances; the top tier adds unlimited rate limits, dedicated queues, and priority support. A GitHub repository and community tutorials are referenced as supporting resources.
Yes, the free plan costs R$0/month with 3 queries per minute and 130,000 database queries per month, though it includes 0 real-time queries.
Paid plans range from Bronze (R$149/month) to Diamante (custom pricing), with increasing rate limits, database query volume, and real-time query allowances.
It returns JSON with a company's registration status, address, main and secondary business activities, legal nature, capital, and Simples/SIMEI tax regime info, based on official Receita Federal data.
It's aimed at data teams and developers who need to validate CNPJs, enrich customer databases, automate form filling, and reduce fraud in onboarding or credit analysis.
Yes, ReceitaWS provides API documentation and a GitHub repository with community tutorials.
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