Healthchecks.io is a free and open source service for monitoring your cron jobs, background processes and scheduled tasks. Before adding Pushover integration, please log into Healthchecks.io:
After logging in, go to the Integrations page, and click on Add Integration next to the Pushover integration.
Pushover supports different notification priorities from silent to "Emergency". Select your preferred priorities and click "Subscribe with Pushover".
You will be redirected to pushover.net and asked to confirm a subscription. Review the subscription details and click "Subscribe Me".
That is all! You will now be redirected back to "Integrations" page on Healthchecks.io and see the new integration!