There are APIs to create Audience and get Campaigns assosciate with a user.

1. Create an Audience - https://docs.q2api.com/docs/smart-apis/d17c1a7b43314-post-user-list
2. Get Campaigns for a specific User - https://docs.q2api.com/docs/smart-apis/28d22f8e8b901-get-campaigns-by-user

How do we actually create a Campaign ?

How do we Manage campaigns in Q2 via APIs