You can follow the tutorial video of how to add your Poloniex API key to Coinigy here.
In order to create API keys for Poloniex.com you will need to register for a Poloniex trading account.
Once you have successfully set-up an account please perform these steps:
1. Log into Poloniex.com with your created account
2. Once logged in click on the wrench icon / drop-down menu in the upper right and click on API Keys
3. Once inside the API Keys page click on "Create New Key"
4. An email link will be sent directly to your Poloniex account email, click on the link in the email.
5. You will be redirected to your new API page with your created API.
5. Once this new API Key is generated you can proceed to the "Adding an API key to Coinigy" instructions.