Optimizely change history: Login results in 429 error

Optimizely reported a major outage in which login returned 429 errors, affecting access to some products through Optimizely Identity. It started at 2026-07-23 15:26 UTC and was resolved at 2026-07-23 18:41 UTC, lasting 3 h 15 min; Optimizely attributed it to a disruption with its identity provider, Okta.