Step One: Enter your Sapling sign in subdomain in Merge Link.
For example, enter company-name for company-name.saplingapp.io
Do not enter {companydomain}.saplingapp.io</p>
Step Two: Find your Sapling API Key.
1.) In your Sapling account, find integrations
2.) Open API Keys and Generate New Key.
3.) Enter a Copy the API Key, Name it, and Save.