In the Outpost Control Center, select Integrations in the Account tab:
Retrieve your API key from Transistor.fm and paste it here:
Once you're connected, you will be able choose which podcast to add people to.
This will add all NEW paid and comped subscribers. If you need to add your existing ones, we can do that for you. Just email us at support@outpost.pub and we'll handle that.
If you run into any issues, reach out to support@outpost.pub and let us know.