YouTube
Step 1 Go to the Credentials Page
Make sure you are logged in to your Google account and visit the Credentials - APIs & Services(opens in a new tab) page. Make sure to read the terms and conditions and "Agree and Continue".
Step 2 Create Project
Create a new project by clicking on the "Create Project" button.
Step 3
Fill in the project name, and details and click "Create".
Step 4 Create OAuth Credentials
Create credentials by clicking on the "Create Credentials" button. Select the "OAuth client ID" option.
Step 5 Configure Consent Screen
Make sure that your consent screen has been configured. Add yourself as a test user of the application.
Step 6 Fill in OAuth Details
Create the OAuth client ID. Select "Web application" as the application type and fill in the details.
After following all of the steps above you should be met with a screen that shows your client ID and client secret. Add these to your providers configuration.
YOUTUBE_CLIENT_ID=""
YOUTUBE_CLIENT_SECRET=""