1. Navigate to API Keys & Info
After logging in hover over "Account" and navigate down "API Keys & Info".
2. Copy your key
This page will display your current API keys. Simply select the desired key and copy it; you will then be able to paste it into Dealy. If you do not have an API key, click "add a key" to create one.
3. Paste API key into Dealy
Head back over to your Dealy account settings page and paste in the key. That's it! You will now be able to choose any mailing list associated with that account.