Follow the instructions below:

  1. sign-in into your account on https://poloniex.com/

  2. Under settings, click on "API Keys"

  3. Make sure "API Access is Enabled" if not, click on "enable API" and confirm by clicking on the link received by email 

  4. Click on "Create New Key" then validate the link received by email

  5. Disable "Trading" by unticking the box

  6. Copy-Paste the API Key, the API Secret and the Passcode to enter them one by one in the app

How to link your Poloniex Account