title: How to optimize HTTP API?
body: <p>We've built a huge API using HTTP to our php server from applications clients. The API is simply done in php with POST parameters. However we are looking for ways to make the API call faster as the clients are on mobile devices. What are some things that we can do to optmize it? </p>
  
  <p>1) I hear REST API is very popular and used by big companies. How do I make my HTTP POSTS into a REST API?
  <br>2) How do I minimize the amount of HTTP headers and overhead?</p>
  
  <p>What other steps we can take to increase the speed of the API call?</p>