Search Brazilian companies in the official Receita Federal CNPJ registry
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
Answeringour last check, 2026-09-24
1 of 1checks answered this week
987 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.brazilayer.com/v1/cnpj/busca
| Category | Code and developer |
|---|---|
| Provider host | api.brazilayer.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 987 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"nome": "padaria",
"por_pagina": 20,
"uf": "RJ"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"abertura_ate": {
"description": "opening date to (YYYY-MM-DD)",
"type": "string"
},
"abertura_de": {
"description": "opening date from (YYYY-MM-DD) \u2014 newly registered companies",
"type": "string"
},
"cnae": {
"description": "7-digit CNAE activity code",
"type": "string"
},
"com_investidor": {
"description": "only companies with a VC/PE fund in the ownership structure \u2014 a public proxy for venture-backed startups",
"type": "boolean"
},
"municipio": {
"description": "4-digit RFB city code",
"type": "string"
},
"nome": {
"description": "full-text search on company names",
"type": "string"
},
"pagina": {
"description": "page number, default 1",
"type": "integer"
},
"por_pagina": {
"description": "page size, default 20, max 50",
"type": "integer"
},
"porte": {
"description": "company size: micro_empresa | pequeno_porte | demais",
"type": "string"
},
"situacao": {
"description": "registration status: ativa (default) | baixada | suspensa | inapta | nula",
"type": "string"
},
"uf": {
"description": "2-letter Brazilian state code, e.g. SP",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}