Head to Page Settings > Privacy > and Toggle the Private option
Choose Slack 0Auth and copy the Redirect URL
Open the Slack Your Apps
Step 1 - Create an App > From scratch > Give it a good name the same as your Status Page and pick your workspace.
Step 2 - Copy the Client ID and the Client Secret from the Slack App credentials and paste them into your Sorry Privacy settings.
Step 3 - Copy the Redirect URL from your Sorry privacy settings and paste this into the Slack > OAuth & Permissions
Final Step - Restrict the Sign-In to your domain and choose Save Changes.