Custom Planning Center Identity Provider: Bread & Butter IO

Log in to the Planning Center Developer site using your Planning Center account: https://api.planningcenteronline.com/oauth/applications

Enter your App information. For App Name, we recommend using your organization or company name.
Enter a description, and your organization’s website address.
For Authorization callback URLs, enter: https://api.breadbutter.io/callback
Click Submit.

Your app has now been created. On the App information page, please take note of your Client ID and Secret for the Bread & Butter setup below.

Go to https://app.breadbutter.io/sign-in/
Click Sign In and authenticate (or Sign Up make a new account and authenticate).
Navigate to Providers, then to Default Rules (or Domain Rules and open/create a domain module).
Click "Sign in with Planning Center" button.
Select "Set Planning Center for Production".
Enter a custom name and description.
Enter the Client ID from the Planning Center setup steps above.
Enter the Secret from the Planning Center setup steps above.
Click Save & Close.
Click the checkbox next to your new Planning Center provider to enable it.