MuleSoft provides out-of-box policies that can be applied to APIs for enhancing the functionalities of the APIs. These policies include various categories like security, compliance, troubleshooting, transformation, QoS, custom, etc.

MuleSoft also provides the capabilities to implement custom policies and Custom Policies are policies that anyone can develop and apply to their APIs, with the intention of extending existing functionality or defining new ones. 

Source de l’article sur DZONE