STEP 1: Select the Icon highlighted on the right top of You dashboard and from the dropdown menu click Profile
STEP 2: Click Integrations and from the Menu Click Connect Below the autoresponder You want to use Click Connect. (We used get response in this Tutorial).
STEP 3: Fill in Your API key from Your Autoresponder account and Click Connect.
STEP 4: Bam!!! Its all connected Just with one click...