You can link your Sable account to Zelle by using the standalone Zelle app that you can download from the Apple App Store or the Google Play Store.
When you are signing up, please be sure to select the “my bank is not listed here option” and link your account using your Sable debit card!
After that, you can receive and send money from your Sable account to anyone else using Zelle instantaneously and for free!