Problem
Blue Corona integration is not visible in ServiceTitan integrations menu and requires activation through Blue Corona support before appearing in API Application Access settings.
Solution
Establish the integration
Contact Blue Corona to start the integration process.
In ServiceTitan, go to Settings in the top toolbar.
Select API Application Access.
Find the Tenant ID box.

Copy your Tenant ID.
Provide your Tenant ID to Blue Corona to complete the integration.
Once the application is added from the Blue Corona team, go to Settings > API Application Access and click Connect New App.
Select the Blue Corona option and then click Connect.
Generate the Client ID and Secret using the application, and share it with the Blue Corona team to establish the integration.