To import Coinbase Pro/GDAX, follow the steps below.
Log in into your GDAX account, hover the Account icon and click on API (https://pro.coinbase.com/profile/api)
Copy your Passphrase and paste into ZenLedger
Name your API "ZenLedger" and Enable only "View" permission. No need to put anything in the whitelist. Click save.
Copy your Secret with as you will only see it on the next screen, and paste to ZenLedger.
Save the key, then go to your list of keys and copy the key and paste to ZenLedger.
We have created a video walkthrough to show you how to do this! Please click on the chat bubble on the lower right of your screen if you have questions.