Thread:Project:Support desk/How to check whether a page exists or not/reply

The API does return information in XML format.

Example: [//en.wikipedia.org/w/api.php?action=query&titles=Page%20that%20does%20not%20exist&prop=info&inprop=&format=xml]. Check for the  property.

If you want to fiddle with the database, look at the page table