Login to your account in the developer hub at https://developer.goto.com/
Go to the profile found by clicking the circle found in the top right-hand corner of the page.
A dropdown menu will appear, click on OAuth Clients
On the OAuth Clients page, click on Create a new client, found at the bottom of the page.
Fill in the form, the redirect URI is https://data-crypt.com/marketplace
Click on Next.
Click on GoToMeeting, GoToWebinar, GoToTraining
Click Save
Copy the credentials as you will need these later.