How to do the REST API Expose - POST service call ? in mobile application

Hi Team,

I need a example about:

How to call the Rest API Expose - POST call in mobile application.

Add the Employee details like :,,E-mail,E-mobile,E-address...

How to store the data using API and how to fetch that in another screen.

Incase any sample project available please support me.

Thanks & Regards,

Prince Raj