PASAR API

🇧🇷 ReceitaWS ~ CNPJ company registration lookup

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Popular CNPJ enrichment service returning a company's legal name, trade name, address, activity (CNAE) and status; the free tier is keyless but rate-limited to a few requests per minute, paid plans add a token.

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Call it

curl 'https://receitaws.com.br/v1/cnpj/'

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I'm building an app using a free Brazil API (no auth needed).

API: ReceitaWS ~ CNPJ company registration lookup
Provider: ReceitaWS
Endpoint: GET https://receitaws.com.br/v1/cnpj/
It returns JSON.

Source: ReceitaWS (https://receitaws.com.br/api)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Copy-paste ready
Last checked: 2026-07-05
Production caveat: Still handle empty rows, schema changes, pagination, stale coverage, and temporary upstream failures.

Help me fetch this and build a simple page that displays it nicely. Include basic production safeguards for errors, empty responses, schema changes, caching, and rate limits.

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