Enable API?

Hello, i installed vanilla locally and created some themes and topics, but i can't find how i can enable api access to my forum.
i tried:
http://localhost/vanilla/discussions.xml
where:
http://localhost/vanilla
is root isntallation dir but it doesn't exist
i tried:
http://localhost/vanilla/discussions.xml
where:
http://localhost/vanilla
is root isntallation dir but it doesn't exist

1
Comments
http://localhost/vanilla/index.php?p=discussions.xml
/cd
thank you