DOKU e-Wallet

Doku e-Wallet API Guide Explanation

Integration steps

Here is the overview of how to integrate with DOKU e-Wallet:

1. Obtain payment.url by generating order

2. Display DOKU Wallet payment page to customer

3. Acknowledge payment result

Direct API - DOKU e-Wallet Sequence Diagram

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1. Obtain payment.url by generating order

To generate order, you will need to hit this API through your Backend:

API Request

Type	Value
HTTP Method	POST
API endpoint (Sandbox)	https://api-sandbox.doku.com/dokuwallet-emoney/v1/payment
API endpoint (Production)	https://api.doku.com/dokuwallet-emoney/v1/payment

Here is the sample of request header to generate order:

Client-Id: MCH-0001-10791114622547
Request-Id: baec7d95-f30a-4b78-b711-6ebe0ccdf50b
Request-Timestamp: 2021-07-07T08:45:42Z
Signature: HMACSHA256=vl9DBTX5KhEiXmnpOD0TSm8PYQknuHPdyHSTSc3W6Ps=

Request Header Explanation

Parameter	Description
Client-Id	Client ID retrieved from DOKU Back Office
Request-Id	Unique random string (max 128 characters) generated from merchant side to protect duplicate request
Request-Timestamp	Timestamp request on UTC time in ISO8601 UTC+0 format. It means to proceed transaction on UTC+7 (WIB), merchant need to subtract time with 7. Ex: to proceed transaction on September 22th 2020 at 08:51:00 WIB, the timestamp should be 2020-09-22T01:51:00Z
Signature	Security parameter that needs to be generated on merchant Backend and placed to the header request to ensure that the request is coming from valid merchant. Please refer to this section to generate the signature

Here is the sample request body to generate order:

{
    "order": {
        "invoice_number":"TEST-1234",
        "amount": 9000,
        "line_items": [
            {
                "name": "T-Shirt Red",
                "price": 3000,
                "quantity": 2
            },
            {
                "name": "Polo Navy",
                "price": 3000,
                "quantity": 1
            }
        ],
        "success_url": "https://your-success-url.domain/",
        "failed_url": "https://your-failed-url.domain/",
        "notify_url": "https://merchant.com/notify-url",
        "auto_redirect": false
    },
    "additional_info": {
        "override_notification_url": "https://another.example.com/payments/notifications"
    }
}

Request Body Explanation

Parameter	Type	Mandatory	Description
order.invoice_number	string	Mandatory	Generated by merchant to identify the order and must unique per request Allowed chars: alphabetic, numeric, special chars Max length: 64
order.amount	number	Mandatory	In IDR currency and without decimal Allowed chars: numeric Max length: 12
order.line_items.name	string	Conditional	Optional if request doesnt pass line items. But if request passes, then it becomes Mandatory. Allowed chars: alphabetic, numeric, special chars Max Length: 255
order.line_items.price	number	Conditional	Price of the product item. Total price and quantity must match with the order.amount. Optional if request doesnt pass line items. But if request passes, then it becomes Mandatory. Allowed chars: numeric Max Length: 12
order.line_items.quantity	number	Conditional	Quantity of the product item<. Optional if request doesnt pass line items. But if request passes, then it becomes Mandatory. Allowed chars: numeric Max Length: 4
success_url	string	Optional	Merchant URL that will redirected to after the order success. If merchant set order.auto_redirect to true, then the default url is "www.doku.com". Allowed chars: alphabetic, numeric, special chars
failed_url	string	Optional	Merchant URL that will redirected to after the order failed. If not set, then will redirect to success_url Allowed chars: alphabetic, numeric, special chars
notify_url	string	Mandatory	Merchant URL that will be notify from DOKU. If its not define, status in merchant will not update. Allowed chars: alphabetic, numeric, special chars
auto_redirect	string	Mandatory	Redirection to defined success_url after payment process completed Possible value: true, false Default value: false
additional_info.override_notification_url	string	Optional	This parameter is intended to override the configured Notification URL with another URL. Click here for more information.

API Response

After hitting the above API request, DOKU will give the response.

Type	Value
HTTP Status	200
Result	SUCCESS

Client-Id: MCH-0001-10791114622547
Request-Id: baec7d95-f30a-4b78-b711-6ebe0ccdf50b
Response-Timestamp: 2021-07-07T08:45:42Z
Signature: HMACSHA256=9UPUFzOqJc47aJzD9ESOTcWg6TMsg3mqSP+DnUO8ENE=

Response Header Explanation

Parameter	Description
Client-Id	Same as the request
Request-Id	Same as the request
Request-Timestamp	Timestamp Response on UTC with format ISO8601 UTC+0 from DOKU
Signature	Signature generated by DOKU based on the response body

Here is the sample of response body:

{
    "order": {
        "invoice_number": "JT-JOKUL-PP_20220125093936",
        "line_items": [
            {
                "name": "T-Shirt Red",
                "price": 3000,
                "quantity": 2
            },
            {
                "name": "Polo Navy",
                "price": 3000,
                "quantity": 1
            }
        ]
    },
    "doku_wallet_payment_page": {
        "url": "https://staging.doku.com/wallauth/jokultransaction?sessionId=ff54640d-8a3d-4efb-a867-47785971c7c9"
    },
    "additional_info": {
        "override_notification_url": "https://another.example.com/payments/notifications"
    }
}

Response Body Explanation

Parameter	Type	Mandatory	Description
order.invoice_number	string	Mandatory	Same as the request
order.line_items.name`	number	Mandatory	Same as the request
order.line_items.price	number	Mandatory	Same as the request
order.line_items.quantity	number	Mandatory	Same as the request
doku_wallet_payment_page.url	string	Mandatory	DOKU Wallet Payment Page URL generated by DOKU that merchant displays to the customer
additional_info.override_notification_url	string	Optional	Same as the request

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2. Display DOKU Wallet payment page to customer

Once you have the payment.url, you can now display the payment page by redirecting your customer to the DOKU Wallet payment page.

After the customer completed the payment, they will be redirected to the defined success_url that you set on the API request.

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3. Acknowledge payment result

After the payment is being made by your customer, DOKU will send HTTP Notification to your defined Notification URL. Learn how to handle the notification from DOKU:

• Handling DOKU HTTP Notification

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