In order to locate the source code, you will need to: Log in to your viva.com account Select Sales, Online Payments and Website Apps 3. In the code field, you will find the source code Related ArticlesHow do I connect the card terminal to my account?How do I set up a physical store/payment source?Payment ReferenceHow to create a Physical Store Payment Source and Assign your Android Card TerminalWhere can I see my sales transactions?