I was exploring Appian Web API and couldn't find any documentation regarding how we can implement OAuth 2.0 lient credential grant or Authorization code grant for Appian Web API with third party IDP (prefer Azure AD)
I am able to implement client credential grant using service account and configuring client id and secret from admin console, but we are looking oauth 2 implementation using Azure AD.
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In recent years, we used an API gateway to implement this kind of authentication schemes. AFAIK Appian does not support that directly.