 the
<a href="../customizing-serializers/">serializer</a>.)
Ember Data's default Adapter has some built-in
assumptions of how a <a href="http://jsonapi.org/">REST API should look</a>. If
your backend conventions differ from these assumptions Ember Data
makes it easy to change its functionality by swapping out or extending
the default Adapter.</p>
<p>Some reasons for customizing an Adapter include using
<code>underscores_case</code> in your URLs, using a medium other than REST to
communicate with your backen