Login to your Capsule account and click on your name
Choose "My preferences" from the top-right menu
Click on "API Authentication Token" link

4. Copy the API Key from the field "Your API Authentication Token"

Login to your Capsule account and click on your name
Choose "My preferences" from the top-right menu
Click on "API Authentication Token" link
4. Copy the API Key from the field "Your API Authentication Token"