After selecting Attio from our destinations catalog, you will be required to enter your Attio API key.
You can locate this API key within your Attio account by navigating to Workspace Settings >
Developers:
Records can be matched from your source to your Attio workspace by domains or
email_addresses, depending on the object you are syncing.
Attio requires domains and email_addresses to be in an Array format.
Hightouch will automatically convert comma separated strings into the required
Array format.