Make sure you have the service and integration already setup for Sentry. Follow the link below on instructions of how to create integration and service
On Sentry, go to settings and select Integrations. Search for 'Webhooks' and click on it to install it.
Once you have pasted, make sure to enable plugin.
How many services and integrations can I create on Spike?
How many escalation policies can I have on Spike?
At Spike, we are working hard to integrate with all the tools your business uses. We are on a mission to help you identify incidents/crashes/spikes before your customers do.
If you have any integration in mind and would like us to build it for you then contact us at email@example.com.