Used for APIs authenticated with OAuth 2.0.
To locate your Viva (Smart Checkout) client credentials, follow these steps:
Log in to Viva.com and select the appropriate account (demo or live).
From the menu, select Settings and then API Access.
Scroll down the page to the Smart Checkout Credentials section to view or generate your credentials.
If needed, you can copy and store the codes in a secure location until they are required.