Tool detail

Losbeto Market Intelligence

Validates a Brazilian CNPJ or CPF by its check digits, returns it formatted, and flags whether a CNPJ is a headquarters.

Categories: Payments, Utilities

Use when

validate a Brazilian CNPJ or CPF check digit
check whether a CNPJ is a headquarters (branch 0001)

Not for

doesn't look up registered company or person details, only validates the number

Inputs

GET query param: doc (string, required) — the CNPJ or CPF to validate

Admitted input schema

{
  "type": "object",
  "properties": {
    "doc": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "doc parameter"
    }
  },
  "required": [
    "doc"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.losbeto.xyz/br-doc

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.losbeto.xyz/br-doc
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z