Find your Merchant ID and API Key
To find your Viva Wallet Merchant ID and API Key for basic auth:
Log in to Viva Wallet, demo or live , and select the required account.
You should fill the code 111111 to pass through successfully the Two-Factor Authentication functionality in demo environment.
Click on Settings in the left navigation:
Click on API Access:
You’ll find your Merchant ID and API Key in the Access Credentials section at the top of the page:
Save to a temporary and secure location until you need them.