Turn on/off interest-free and fixed installment configurations

⚠️
IMPORTANT
To follow the steps below, it is essential to have the corresponding Authorization Token. For more information, please refer to the following documentation page: Authorization Token

Turn on/off interest-free and deferred payments

💻
Visit our API Reference to test this endpoint.

Endpoint

POST https://ecartpay.com/api/cards/msi/activate
POST https://sandbox.ecartpay.com/api/cards/msi/activate (Sandbox only)

Headers

Authorization: token

Request Payload

is_active: true or false.

Examples

Request

curl 'https://sandbox.ecartpay.com/api/cards/msi/activate' \
  -H 'authorization: eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9...' \
  -H 'content-type: application/json' \
  --data-raw '{"is_active":true}'

Response

{
    "id": "68d17961e35e6df72dd5d5ba",
    "account_id": "68a4c3150b28a9584305a2a6",
    "gateway": "ecartpay",
    "brands": [],
    "installments": [],
    "institutions": [],
    "is_active": true,
    "commissions": [
        {
            "installments": 3,
            "rate": 3.5,
            "minimum_amount": 399,
            "maximum_amount": 50000,
            "currency": "MXN",
            "start_date": "2024-12-09T00:00:00.000Z",
            "is_active": true,
            "fixed_installments": false,
            "id": "68d57a4d03cbd12a8bf733d4"
        },
        {
            "installments": 6,
            "rate": 5.5,
            "minimum_amount": 600,
            "maximum_amount": 50000,
            "currency": "MXN",
            "start_date": "2024-12-09T00:00:00.000Z",
            "is_active": true,
            "fixed_installments": false,
            "id": "68d57a4d03cbd12a8bf733d5"
        },
        {
            "installments": 9,
            "rate": 7.5,
            "minimum_amount": 900,
            "maximum_amount": 50000,
            "currency": "MXN",
            "start_date": "2024-12-09T00:00:00.000Z",
            "is_active": true,
            "fixed_installments": false,
            "id": "68d57a4d03cbd12a8bf733d6"
        },
        {
            "installments": 12,
            "rate": 13,
            "minimum_amount": 1200,
            "maximum_amount": 50000,
            "currency": "MXN",
            "start_date": "2024-12-09T00:00:00.000Z",
            "is_active": true,
            "fixed_installments": false,
            "id": "68d57a4d03cbd12a8bf733d7"
        },
        {
            "installments": 18,
            "rate": 18.25,
            "minimum_amount": 1800,
            "maximum_amount": 50000,
            "currency": "MXN",
            "start_date": "2024-12-09T00:00:00.000Z",
            "is_active": true,
            "fixed_installments": false,
            "id": "68d57a4d03cbd12a8bf733d8"
        }
    ],
    "amex_rates": {
        "3": 3.25,
        "6": 6.25,
        "9": 8.25,
        "12": 10.25,
        "15": 13.25,
        "18": 15.25,
        "21": 17.25,
        "24": 19.25
    },
    "amex_fixed_installments": false,
    "created_at": "2025-09-22T16:29:21.222Z",
    "updated_at": "2025-09-25T17:40:17.631Z"
}

Using Ecart Pay UI

Alternatively, you can activate or deactivate these options with the button located in the Installment payment settings, as shown below.