How to POST raw whole JSON in the body of a Retrofit request?

Question

This question may have been asked before but no it was not definitively answered. How exactly does one post raw whole JSON inside the body of a Retrofit request?

See

Answer 1

You can use hashmap if you don't want to create pojo class for every API call.

HashMap hashMap=new HashMap<>();
        hashMap.put("email","this@gmail.com");
        hashMap.put("password","1234");

And then send like this

Call register(@Body HashMap registerApiPayload);