1. First, we recommend testing your page where you paste the code, see: https://docs.fraudfilter.io/kb/how-to-test-if-fraudfilter-is-working/
  2. If you are using CloudFlare, Change Security Level to Essentially Off. Otherwise, it may block you from pasting the PHP code.

  1. Test again using this method: https://docs.fraudfilter.io/kb/how-to-test-if-fraudfilter-is-working/ and if it still doesn't work then there is some problem with your hosting. We suggest you use our recommend setup: https://docs.fraudfilter.io/kb/recommended-hosting-setup/