We have REST API’s to create Ruum, update Ruum (add/update Task, Section, Files, Variables and Participants in Ruum).
We have webhooks to send information from Ruum to business systems (two-way sync).
It is possible to have 1-to-1 integration (direct integration) and using integration middleware.
1-to-1 integration (direct integration)
Please find more info about the Ruum API here