Make sure you have the service and integration already setup for Uptime Robot. Follow the link below on instructions of how to create integration and service
Login to Uptime Robot and navigate to Settings from the header.
In the settings section, scroll down to Alerts or Alert contacts. This is where you manage all the alerts for your monitors. Create as many alerts as you would like and you select which monitor's up and down will be alerted by identifying by name.
Click on Add alert contact
Once you have selected Webhook, paste your webhook you copied earlier from the dashboard and hit Create alert contact
For your new or already existing monitors, follow these simple steps to send alerts to Spike.
Edit your monitors
Identify your Spike integration by name and select it.