Create Payment

{
    "id": "8fdC56eo-cC99-46E1-B6AC-4asD8755B25C",
    "order": {
        "amount": 60.20,
        "invoice_number": "INV-20210231-0001",
        "currency": "MYR",
        "line_items": [
            {
                "id": "1",
                "name": "Chitato",
                "quantity": 2,
                "price": 20.05
            },
            {
                "id": "2",
                "name": "Cheetoz",
                "quantity": 2,
                "price": 10.05
            }
        ],
        "expired_at": "2026-09-17T07:30:45Z"
    },
    "payment": {
        "channel": "BNPL_GRABPAY",
        "type": "SALE",
        "initiation_type": "customer_initiate",
        "amount": 60.20,
        "currency": "MYR",
        "status": "PENDING",
        "state": "INITIATE",
        "doku_reference_id": "019bc05bdb717aa483c943c757d93c63",
        "next_action": {
            "required": true,
            "type": "auth_redirection",
            "url": "https://api-uat.doku.com/my/payment-perform?clientId=BRN-0201-1766134655420&referenceId=ZTkwMjc2NWI3ODBjZTkzZDFjY2UwM2Y0N2FjYTZlYWMzNGM2ZTc1MzI5NzNiNDMyNmNmYWZiYmI0MGZmMmY1YjUzNmVjMTllM2RkZmRjNDZiOTEyMjQ5ZGE4NThhMmExNDdkNDYyOThjZDdlNDJiYWI3NjMxODI0ZjU0NWMyMTI="
        },
        "callback_url": "https://merchant-callback-url.com"
    },
    "metadata": {
        "key_1": "value_1",
        "key_2": "value_2",
        "key_3": "value_3"
    },
    "customer": {
        "id": "DOKU-CUST-001",
        "name": "John Doe",
        "email": "customer_email@test.com",
        "phone": "+60812345678",
        "country": "MY",
        "address": "Street 1"
    }
}