Navigate to Integrations and API Credentials. ( LEFT OPTIONS PANEL )
Click Create. FastSpring will automatically generate your username and password. Note: If you have generated API Credentials previously, click Reset instead.
Securely write down the Username value and the generated Password value
B. Provide the API credentials to LTTR/SHOP
Sign in to the LTTR/SHOP's management portal.
Navigate to Shop Profile, then Stettings.
Locate the FastSpring section and click on the Edit button.
Paste the Username value to the API Credentials - Username field.
Paste the generated Password value to the API Credentials – Username and Password field.
