CreateCheckoutRequest

{
    "amount": "string",
    "currency": "GMD",
    "items": [
        {
            "product_id": "string",
            "description": "string",
            "quantity": 1,
            "unit_price": "string"
        }
    ],
    "payment_method_types": [
        "wave"
    ],
    "payment_method": "string",
    "automatic_payment_methods": true,
    "customer_id": "string",
    "customer_phone": "string",
    "customer_email": "user@example.com",
    "customer_name": "string",
    "expires_in": 60,
    "metadata": {},
    "description": "string",
    "reference": "string",
    "idempotency_key": "string",
    "success_url": "http://example.com",
    "failure_url": "http://example.com"
}