SurveyMonkey change history: 503 Service Temporarily Unavailable error when accessing Contacts

SurveyMonkey reported a major outage causing a 503 Service Temporarily Unavailable error when accessing Contacts. It started at 2025-11-18 11:54 UTC and was resolved at 2025-11-18 14:13 UTC, lasting 2 h 19 min. The vendor identified the issue and reported implementing a fix, but did not specify the cause.