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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <backlinks blcontinue="0|Main_Page|3626" />
  </query-continue>
  <query>
    <backlinks>
      <bl pageid="2497" ns="102" title="Course:SLU MATH 124: Math and Escher - Spring 2008 - Dr. Bryan Clair" />
      <bl pageid="2675" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2008 - Dr. Anneke Bart" />
      <bl pageid="2759" ns="102" title="Course:SLU MATH 124: Math and Escher - Spring 2009 - Dr. Bryan Clair" />
      <bl pageid="3067" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2009 - Dr. Anneke Bart" />
      <bl pageid="3068" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2010 - Philip Huling" />
      <bl pageid="3157" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2010 - Dr. Anneke Bart" />
      <bl pageid="3168" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2010 - Dr. Bryan Clair" />
      <bl pageid="3381" ns="102" title="Course:SLU MATH 124: Math and Escher - Spring 2011 - Dr. Anneke Bart" />
      <bl pageid="3396" ns="102" title="Course:SLU MATH 124: Math and Escher - Fall 2011 - Dr. Bryan Clair" />
      <bl pageid="3494" ns="102" title="Course:SLU MATH 124: Math and Escher - Spring 2012 - Dr. Bryan Clair" />
    </backlinks>
  </query>
</api>