change the email address

Hello @dlega-online

Thank you for reaching out and I am happy to assist you with this.
Can you please clarify your question? Are you referring to Authorizing the Cloudflare with W3 Total Cache?
Have you checked out our guide on this topic?
Let me know if the article helps and also please share more details about the problem you are experiencing.
Thanks!

Thanks for your interest.

I am referring to point 3 that indicates the probable cause of an error that I have from Cloudflare

See here: https://support.cloudflare.com/hc/en-us/articles/200169996-Why-do-I-get-a-Unable-to-make-Cloudflare-API-request-error-with-W3TC-

Thanks

Hello @dlega-online

Thank youj for the information.
For the Cloudflare authentication in W3 Total Cache, you need to use the same email you used for Cloudflare account and the global API key which you can find in your Cloudflare Dashboard My Account>API Tokens:

I hope this helps!
THanks!