Verify whether a Brazilian company is a financial institution authorized by the
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
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/bcb/instituicao/:cnpj
| Category | Company and compliance |
|---|---|
| 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 | $0.005 | 919 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"cnpj": "00000000000191"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"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"
}