There were 3 Happo outages since April 18, 2026 totaling 16m of downtime. Each is summarised below — incident details, duration, and resolution information.
During a window of about 7 minutes, our API and web application served at happo.io was unresponsive. This was caused by a configuration mistake in our backend systems.
We are investigating an issue with Happo not being able to post build statuses to PRs at the moment.
This issue has now been fixed.
While applying an infrastructure change to our cluster, our load balancer was misconfigured and ended up in a state where it sent HTTP traffic to the wrong nodes. The issue was discovered right away but it took a while to figure out the root cause (load balancer config). External traffic was briefly affected with API requests to happo.io timing out. The issue has since been resolved and all services are back up and running.
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