title: why many aws service didn't provide the RESTful API but only the sdk?
body: <p>I studied <code>Amazon web service</code> API reference, I found many services (EC2,Cloudwatch) only support the programming SDK, java/python and so on. Only little services provide RESTful API, such as S3. </p>
  
  <p>I think Restful API is more easier to use than programming SDK. Why Amazon didn't provide the Restful API?</p>