Marketplace · API · x402

api.brazilayer.com/v1/bcb/instituicao/:cnpj

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

Endpoint	`https://api.brazilayer.com/v1/bcb/instituicao/:cnpj`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1262 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x3Cc1D8ee1dfdFd326c19B0884B8dF4b24B623f0c
method	GET
last updated	2026-11-11T11:30:07.46Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.brazilayer.com/v1/bcb/instituicao/:cnpj
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-f5ae96417856f3ab

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}