Access your account and select the Settings gear icon in the top right corner. Proceed to the API tab.

Select New API Key. Note down the Key and Secret to input in the key and secret fields in Otto.

After creating the API Key, select the Actions column in the API Keys list. Select Order book, History, Trading balance only, and then click save.

Whitelist the below IP addresses:

Input the Key and Secret in the key and secret fields in Otto.