Go to Settings > Integrations and Keys, click New key, and search for Instatus. Click Continue, specify a key name, and click Save.
In the Integrations list, where your key is now included, click Authenticate..
Follow the link in the dialog to find your Instatus API key.
As stated in the dialog, go to https://instatus.com/app/developer to copy and paste the API key.
Instatus is now enabled to interact with Transposit.
Now that you've configured your integration, add one or more of the integration's actions to an automation, test the automation, and then add the automation to an incident type.