UBO - Mexico

Description

Mexico does not have a centralized public UBO registry. This solution combines data from Corporate Registries (SIGER) and the Tax Authority (SAT) to identify control, track ownership chains, and establish significant control (25%+)[cite: 51, 52, 55, 61].

HTTP method POST

Endpoint

[https://lu0lfdczmd.execute-api.us-west-2.amazonaws.com/api/ubos](https://lu0lfdczmd.execute-api.us-west-2.amazonaws.com/api/ubos)

info

This endpoint requires AWS IAM Signature authentication.

• REGION: us-west-2
• SERVICE: execute-api

Request header parameter

NAME	REQUIRED	TYPE	DESCRIPTION
Content-Type	✅	string	application/json

Request body parameters

NAME	REQUIRED	TYPE	DESCRIPTION
RFC	✅	string	Company Tax ID

Request example

```json
{
    "RFC": "ABC123456T78"
}
```

Status code responses

Code	Description
200	OK
400	Bad request
401	Unauthorized
404	Not found
500	Internal server error

Response 200 status code

{
    "shareholders": [
        {
            "id": 102345,
            "name": "ELON MUSK",
            "nationality": "Estadounidense",
            "id_number": "ELON900101XYZ",
            "fixed_shares": "60,00",
            "variable_shares": "0.00",
            "share_percentage": 60,
            "address": {
                "street": "CALLE TESLA",
                "exterior_number": "100",
                "neighborhood": "SILICON VALLEY",
                "state": "CDMX",
                "zip_code": "01001"
            }
        },
        {
            "id": 102346,
            "name": "CARLOS SLIM HELU",
            "nationality": "Mexicana",
            "id_number": "SLHC400128ABC",
            "fixed_shares": "40.00",
            "variable_shares": "0,00",
            "share_percentage": 40,
            "address": {
                "street": "AV. REFORMA",
                "exterior_number": "1234",
                "neighborhood": "LOMAS DE CHAPULTEPEC",
                "state": "CDMX",
                "zip_code": "11000"
            }
        }
    ],
    "capital": {
        "fixedValue": "100000.00",
        "totalShares": "100.00",
        "variableValue": "0.00"
    }
}