Does slack action require that we add certs to keystore?

[ikakavas (Ioannis Kakavas)]

@Souciance_Eqdam_Rash

From what I can see, elasticsearch is trying to call the slack url with http protocol rather than https.

No, this is not what's happening. Watcher will try to make a request to the url you have set in

xpack.notification.slack:
  account:
    <acount_name>:
      url:

@Souciance_Eqdam_Rash

Or am I missing some config in my elasticsearch.yml that should enable this without adding the certs?

Please share relevant parts of your elasticsearch.yml file so that we can help you further.