In a microflow, you can call the ‘Call REST service’ activity in which you can select which method you want to perform on the endpoint:
So change the default GET method to Delete / POST / what you want. Remember that for a PUT and a POST, contrary to GET and DELETE a body is needed that is sent with the request.
Please check out an academy learning path video
This tutorial will help you to create REST services in the Mendix project.
Refer to the below link about how to consume the REST services in the Mendix project
Hope this helps!
See this https://docs.mendix.com/refguide/published-rest-operation/