Follow these steps to connect Webex via the StackOne Hub successfully.
Log in to Webex Control Hub
Copy Organization ID
Log in to Webex for Developers
Create a New App
Create an Integration
Enter App Details
https://api.stackone.com/connect/oauth2/webex_iam/callback
identity:people_read
Add Integration
Copy Client ID and Client Secret
Enter Authentication Details
identity:people_read
is the only required scopeConnect