We highly recommend to contact integration platforms to figure out what metrics they can extract. Sometimes integration platforms don't have certain metrics out of the box, so it's better to contact them.
Useful integrations
1
Update content of a document
(MongoDB) when a new contact added in Constant Contact
2
Update content of a document
(MongoDB) when a campaign link clicked in Constant Contact
3
Update content of a document
(MongoDB) when a contact is unsubscribed from a list in Constant Contact
4
Update content of a document
(MongoDB) when a new contact is created in Constant Contact