If you wish to temporarily suspend CloudFlare for your site (for example to carry out development work unaffected by caching), this can be achieved through the CloudFlare section of cPanel, by enabling CloudFlare’s Development Mode.
Simply click on ‘Statistics and Settings’:-
-: and then look for the ‘Development Mode’ row. Click on the ‘here’ to enable Development Mode. :-
This will take effect immediately. CloudFlare will be automatically re-enabled after 3 hours.
If you only need to clear the cache once, please see the article on clearing the CloudFlare cache.