GitBook reported this major-impact incident on its official status page on Mar 6, 2026, 16:56 UTC. It has since been resolved.
Right now GitBook is operational. Live GitBook status →
Between 14:36 and 14:43 UTC, all GitBook documentation sites using a custom domain were returning a 404 "Not Found" error, making documentation unavailable to users. The issue was caused by a problem introduced by an upstream provider that affected our deployment. The incident was resolved by rolling back the deployment, after which all sites were confirmed to be fully operational.
Our 5-minute checks didn't record a change in GitBook's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.
Overlapping incidents aren't necessarily related.
GitBook reported 2 incidents in the last 90 days, 1 of them major or critical. A typical incident lasted 3h 42m. See GitBook's uptime and incident history