ReceitaWS
FreemiumLiveLast verified 24 Sept 2026
Brazilian company registry lookup by CNPJ: legal status, address, activities and Simples Nacional data.
Example request
curl -s 'https://www.receitaws.com.br/v1/cnpj/11378117000120'
Free tier, in plain English
The free public API needs no key and serves cached CNPJ data; paid plans add real-time lookups and much higher request limits.
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