Connecting Thinkific to OneLogin
To get started, you will need a OneLogin account and create an Open ID Connect (OIDC) application. Under SSO, ensure the Token End Point is set to POST

Furthemore, note your Issuer URL as you will need it in later steps.
Create your connection by click Add Connection, and choose OneLogin. Enter your Client ID and Secret, then add an Additional Parameter of 'base_url'. Enter your One Login instance URL e.g. https://issuer-url.onelogin.com (In the screenshot above, this URL is the start of the 'Issuer URL)

Click Create and your connection is ready to use.