Amplitude incident: Users Unable to Sign In with External Tools

Affected components

• CLI/Codegen
• MCP

1. resolvedApr 7, 2026, 00:48 UTC

   This incident has been resolved.

2. monitoringApr 6, 2026, 23:39 UTC

   A fix has been implemented, and we are monitoring recovery. Some users may need to re-authenticate the following components to restore full functionality: • Ampli CLI • MCP Server • Notion and Atlassian chart previews

3. investigatingApr 6, 2026, 19:53 UTC

   We are currently investigating an issue affecting user authentication for: Ampli CLI, MCP Server, Notion/Atlassian chart previews.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Amplitude's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Confluent Cloud: Elevated error rates in AWS me-south-1 and me-central-1 regionsMajor · Apr 1, 2026, 19:52 UTC
• Elasticsearch: Synthetics service may not run on schedule (us-east-4)Major · Apr 6, 2026, 17:58 UTC

How often does Amplitude have incidents?

Amplitude reported 17 incidents in the last 90 days, 7 of them major or critical. A typical incident lasted 2h 23m. See Amplitude's uptime and incident history