Secure Mule API With OIDC OAuth 2.0 using Okta as Client Provider. 

This video explains and demo, how to secure Mule API with OIDC OAuth 2.0 using Okta as Client Provider. This video demo following in detail:
Okta setup required for OIDC Client Provider configuration
Configure OIDC Client Provider in Anypoint Access Management
Configure OpenID Connect OAuth 2.0 Token Enforcement Policy in Anypoint API Manager
Steps to invoke OAuth 2.0 secured Mule API from client.