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api.brazilayer.com cnpj busca
https://api.brazilayer.com/v1/cnpj/busca
payable
Search Brazilian companies in the official Receita Federal CNPJ registry. Filters (at least one required): nome (full-text on legal and trade names, Portuguese, accent-insensitive), uf (2-letter state), municipio (4-digit RFB city code), cnae (7-digit activity code), porte (company size), situacao (status, default "ativa"). Paginated; total count capped at "10000+". Free sample, no payment: https:
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 133 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:10:38.912Z (1d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.brazilayer.com%2Fv1%2Fcnpj%2Fbusca"