
| 1 | Integrate the Default UI into your app.  | 
| 2 | Add features and use APIs for backend integration: a. Additional features give you control over payment-related activities: 
 b. Using the APIs, you can access and control payments directly from your backend integration: | 
| 3 | Test your application to make sure it behaves as expected, then go live: 
 After completing these steps, and with approval from your account manager, you can start processing live transactions. |