Brazilayer CNPJ Registry
GET api.brazilayer.com/v1/cnpj/busca
Why an agent can trust this route.
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
Observed outcomes
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
Resource: api.brazilayer.com/v1/cnpj/busca
Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c
Payment methods: — · Last validation: 2026-09-13 23:27:35.429+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"properties": {
"uf": {
"type": "string",
"description": "2-letter Brazilian state code, e.g. SP"
},
"cnae": {
"type": "string",
"description": "7-digit CNAE activity code"
},
"nome": {
"type": "string",
"description": "full-text search on company names"
},
"porte": {
"type": "string",
"description": "company size: micro_empresa | pequeno_porte | demais"
},
"pagina": {
"type": "integer",
"description": "page number, default 1"
},
"situacao": {
"type": "string",
"description": "registration status: ativa (default) | baixada | suspensa | inapta | nula"
},
"municipio": {
"type": "string",
"description": "4-digit RFB city code"
},
"por_pagina": {
"type": "integer",
"description": "page size, default 20, max 50"
},
"abertura_de": {
"type": "string",
"description": "opening date from (YYYY-MM-DD) — newly registered companies"
},
"abertura_ate": {
"type": "string",
"description": "opening date to (YYYY-MM-DD)"
},
"com_investidor": {
"type": "boolean",
"description": "only companies with a VC/PE fund in the ownership structure — a public proxy for venture-backed startups"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "10000"
}
]
}Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.