Step 1:
Go to the INTEGRATIONS from the main menu.

Step 2:

Click the add button from the top right to integrate the service with your checklist.

Step 3:
Go to the ConvertKit account.

Step 4:
Copy the API KEY and API SECRET from the Account Info.

Step 5:
Name your service (Reference).
Select the ConvertKit from the SELECT SERVICE dropdown.
Paste the copied API KEY & API SECRET from ConvertKit and click the SAVE CHANGES button.

Step 6:

Go back to Checklist and select any Checklist by clicking Editor Link.

Step 7:
Go to Checklist Settings from the top right of the Checklist.

Step 8:
Select Integration from the Side menu then selects your Service & the List from the dropdown and click the SAVE button.

Note: When someone subscribes to your CHECKLIST, the lead will be transferred to your ConvertKit account.