# Supehuman Go and AI Chat experience temporary service interruption

- Provider: [Grammarly](https://down.guide/grammarly)
- Level: confirmed
- Impact: Partial outage
- lasted 1h 8m
- started 2026-01-21 00:40 UTC
- Grammarly Editor, Grammarly's Browser Extension, Generative AI assistance
- id: DWN-3579840008
- Official page: https://stspg.io/tvqnj2lw81cn

## Updates from Grammarly
### 2026-01-21 00:40 UTC: investigating
We are currently investigating this issue.

### 2026-01-21 01:48 UTC: resolved
This incident has been resolved.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).