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
Make an api call
(Mailgun) when a new payment received in Freshbooks
2
Send an email
(Mailgun) when a new payment received in Freshbooks
3
Create a route
(Mailgun) when a new payment received in Freshbooks
4
Add a mailing list member
(Mailgun) when a new payment received in Freshbooks