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Brazilayer CNPJ Registry · api.brazilayer.com

Search Brazilian companies in the official Receita Federal CNPJ…

Search Brazilian companies in the official Receita Federal CNPJ registry. Filters (at least one required): nome (full-text on names, accent-insensitive), uf (state), municipio (4-digit RFB code), cnae, porte (size), abertura_de/abertura_ate (opening-date window YYYY-MM-DD, for newly registered companies), situacao (default "ativa"). Paginated; total capped at "10000+". Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra

Ready now2 calls · 1 buyer in 30 days

Input

opening date to (YYYY-MM-DD)
opening date from (YYYY-MM-DD), for newly registered companies
7-digit CNAE activity code
only companies with a VC/PE fund in the ownership structure (a public proxy for venture-backed startups)
4-digit RFB city code
full-text search on company names
page number, default 1
page size, default 20, max 50
company size: micro_empresa | pequeno_porte | demais
registration status: ativa (default) | baixada | suspensa | inapta | nula
2-letter Brazilian state code, e.g. SP

Sample response

Published by the provider. Your run returns a fresh response.

response3 keys
pagina1
resultados1 item
total4086
responseobject, 3 keys
Your agent can do this on its own
Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

Add one MCP URL and your agent can find and run this tool within its spending limits. Choose “Ask each time” if you want to approve every Call.

MCP URL

https://app.aecon.ai/mcp
Terminalbash
claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days
2
Buyers, last 30 days
1
Last paid call

Reported by the x402 directory.

A$0.015 per call