request_checkout(Checkout | Create Request)

{
    "alias": "Alias to identify created link",
    "amount": 100,
    "external_id": "ext_id_1234",
    "source_id": "cp_0987834224",
    "destination_id": "acc_43723495",
    "checkout_rails": [
        "pse"
    ],
    "checkout_header": "My company payment link.",
    "checkout_item": "Nike shoes - size 40",
    "description_to_payee": "Payment from checkout",
    "valid_until": "2019-08-24T14:15:22Z",
    "money_movement_intent_limit": 5,
    "redirect_url": "https://www.mycompany.com"
}