Verify whether a Brazilian company is a financial institution authorized by the Central Ba
Verify whether a Brazilian company is a financial institution authorized by the Central Bank of Brazil (banks, credit unions, consortia, regulated societies) — plus its officially VERIFIED internet domains, refreshed daily from the official registry. Instant check for crypto exchanges, fintechs and compliance agents onboarding Brazilian counterparties or detecting fake-bank phishing. Accepts full CNPJ or 8-digit root. Free sample, no payment: https://api.brazilayer.com/v1/bcb/amostra
5000 (raw units)
price
5
calls / 30d
1
unique payers
2026-09-07
updated
Provider
api.brazilayer.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"cnpj": "00000000000191"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"autorizada": true,
"cnpj_basico": "00000000",
"dominios_verificados": [
"bb.com.br"
],
"registros": [
{
"nome": "BANCO DO BRASIL S.A.",
"segmento": "Banco do Brasil",
"tipo": "banco"
}
]
},
"type": "json"
}
},
"routeTemplate": "/v1/bcb/instituicao/:cnpj",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"cnpj": {
"description": "Brazilian company tax ID (CNPJ), 14 digits, with or without punctuation (e.g. 00000000000191 or 00.000.000/0001-91)",
"type": "string"
},
"type": "object"
},
"queryParams": {
"properties": {},
"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"
}
}
}Use it
curl
curl "https://api.brazilayer.com/v1/bcb/instituicao/:cnpj" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.brazilayer.com/v1/bcb/instituicao/:cnpj");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.brazilayer.com/v1/bcb/instituicao/:cnpj")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/1499.json, and this resource appears in /discovery/resources and /discovery/search.