If you have an existing Android Components integration, you can use our Redirect Component to redirect the shopper to the MoMo app or website where they can complete the payment.
When making an MoMo payment, you need to:
Before you begin
This page explains how to add MoMo to your existing Android Components integration. The Android Components integration works the same way for all payment methods. If you haven't done this integration yet, refer to our Components integration guide.
Before starting your MoMo integration:
- Make sure that you have set up your back end implementation for making API requests.
- Add MoMo in your test Customer Area.
Show MoMo in your payment form
Include MoMo in the list of available payment methods. You don't need to collect any information from the shopper in your payment form.
Specify in your /paymentMethods request:
The response contains
We provide logos for MoMo which you can use on your payment form. For more information, refer to Downloading logos.
Make a payment
When the shopper proceeds to pay, you need to:
From your server, make a /payments request, specifying:
paymentMethod.type: Set this to momo_wallet.
returnUrl: URL to where the shopper should be redirected back to after they complete the payment. Get this URL from the Component in the
The /payments response contains an
actionobject with the information needed to redirect the shopper.
- Pass the
actionobject to your client app.
Handle the redirect
Use the Redirect Component to redirect the shopper to MoMo.
After the shopper returns to your app, make a POST /payments/details request from your server, providing:
actionComponentData.detailsobject from the Redirect Component.
You receive a response containing:
resultCode: Use this to present the payment result to your shopper.
pspReference: Our unique identifier for the transaction.
Present the payment result
resultCode values you can receive for MoMo are:
|resultCode||Description||Action to take|
|Authorised||The payment was successful.||Inform the shopper that the payment has been successful.|
|Cancelled||The shopper cancelled the payment while on MoMo's website or app.||Ask the shopper whether they want to continue with the order, or ask them to select a different payment method.|
|The shopper has completed the payment but the final result is not yet known.||Inform the shopper that you've received their order, and are waiting for the payment to be completed.
To know the final result of the payment, wait for the AUTHORISATION webhook.
|Refused||The payment was refused by MoMo Wallet.||Ask the shopper to try the payment again using a different payment method.|
|eventCode||success field||Description||Action to take|
|AUTHORISATION||false||The transaction failed.||Cancel the order and inform the shopper that the payment failed.|
|AUTHORISATION||true||The shopper successfully completed the payment.||Inform the shopper that the payment has been successful and proceed with the order.|
|OFFER_CLOSED||true||The shopper did not complete the payment.||Cancel the order and inform the shopper that the payment timed out.|
Recurring paymentsMoMo supports recurring transactions. To make recurring transactions, you need to:
Create a token
To create a token, include in your /payments request:
- shopperReference: Your unique identifier for the shopper.
When the payment has been settled, you receive a webhook containing:
pspReferenceof the initial payment.
pspReference: This is the token that you need to make recurring payments for this shopper.
Make sure that your server is able to receive RECURRING_CONTRACT as part of your standard webhooks. You can enable the RECURRING_CONTRACT event code in the webhook settings page.
Make a payment with a token
To make a payment with the token, include in your /payments request:
pspReferencefrom the RECURRING_CONTRACT webhook.
You can also get this value by using the /listRecurringDetails endpoint.
shopperReference: The unique shopper identifier that you specified when creating the token.
recurringProcessingModel: Use Subscription for a series of transactions following a fixed time interval or UnscheduledCardOnFile for contracts with non-fixed time interval.
Test and go live
To make MoMo payments in the test environment:
- Download the MoMo test app for iOS or Android at https://test-payment.momo.vn/download/. If you're testing on a mobile browser, you see a link to download the test app. If you're testing on a desktop browser, use the test app to scan the QR code.
- Use MoMo's test credentials to log in to the test app. MoMo provides different credentials depending on the scenario that you want to test (for example, failed scenarios).
Check the status of MoMo test payments in your Customer Area > Transactions > Payments.
Before you can accept live MoMo payments, you need to submit a request for MoMo in your live Customer Area.