To disable caching you have 2 main different options:
- turn off proxying, by making the DNS entries in your dashboard
instead of 
, you will lose all Cloudflare features, SSL included, except for DNS. - create a page rule, matching all your domain (
*domain.com/*), setting the Cache Level to Bypass and then purge the cache (shouldn’t be necessary, but better safe than sorry).
https://community.cloudflare.com/t/topic/33356