Lets you search through the transcripts.
Returns all the messages containing the supplied term.
Status: 200 OK
<messages type="array">
<message>
<id type="integer">1</id>
<body>Hello</body>
<room-id type="integer">1</room-id>
<user-id type="integer">2</user-id>
<created-at type="datetime">2009-11-22T19:11:41Z</created-at>
<type>TextMessage</type>
<starred>true</starred>
</message>
...
</messages>