Brazilayer CNPJ Registry
GET https://api.brazilayer.com/v1/cnpj/empresa/:cnpj
Official registration data for a Brazilian company from the Receita Federal (Brazilian IRS) CNPJ registry, updated monthly: legal name (razao_social), trade name, registration status (situacao_cadastral: Ativa=active, Baixada=closed), start date, legal nature, share capital, main and secondary CNAE activities with descriptions, full address, contact info and Simples/MEI tax regime flags. Keys are in Portuguese legal terms. Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.brazilayer.com/v1/cnpj/empresa/:cnpj"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 12:31 | Valid 402 | 402 | 191 ms | $0.005 |
| 2026-10-11 08:00 | Valid 402 | 402 | 152 ms | $0.005 |
| 2026-10-11 03:30 | Valid 402 | 402 | 156 ms | $0.005 |
| 2026-10-10 23:00 | Valid 402 | 402 | 2888 ms | $0.005 |
| 2026-10-10 17:30 | timeout | – | – | not listed |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves