Our preferred payment gateway is Stripe and it allows advanced functionality for selling Membership Plans through your Training Tilt site.
To connect your existing Stripe account or to create a new Stripe account go to the Membership Plans admin page and click on the "Stripe Settings" button
Click the Connect to Stripe button
Now follow the instructions to either connect your existing Stripe account or to create a new one
After connecting you will now see that you have been successfully connected