Microsoft Exam PL-600 Topic 8 Question 38 Discussion

A: To enable Logic Apps, Power Automate, or Power Apps to communicate with the REST or SOAP API, use a custom connector, which is a wrapper around a REST API (Logic Apps also supports SOAP APIs).

C: Custom APIs are a powerful way to connect to any existing API, hosted anywhere, from PowerApps. You do not need a PowerApps Enterprise subscription to register or use a Custom API.

Custom APIs are RESTful endpoints that you can connect to and use from PowerApps. All you'll need is a Swagger definition file for your endpoint.

https://docs.microsoft.com/en-us/power-platform/guidance/architecture/real-world-examples/custom-connector-canvas

https://powerapps.microsoft.com/hr-hr/blog/register-and-use-custom-apis-in-powerapps/