Grammarly change history: Grammarly is experiencing a service interruption, some Grammarly users may be unable to log in

Grammarly reported a critical service interruption that left some users unable to log in, starting at 2025-01-22 19:35 UTC and resolved at 2025-01-22 21:58 UTC, lasting 2 h 23 min. The vendor identified the root cause without disclosing it and implemented a fix; affected components included Login, Writing Suggestions, Generative AI assistance, and Billing Service.