Changes / Amplitude / Amplitude UI and MCP is down

Amplitude: Critical incident: Amplitude UI and MCP is down

Summary

Amplitude reported a critical outage affecting its UI, MCP and REST APIs, starting 2026-07-13 21:31 UTC and resolved at 2026-07-13 23:07 UTC (1 h 36 min). A fix was implemented; Amplitude expected no data loss, said the EU data center should be unaffected, and required no customer action.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 100%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: Amplitude UI and MCP is down
AddedImpact#2
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After: critical
AddedStatus#3
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After: resolved
AddedStart time#4
Before: not present
After: 2026-07-13 21:31 UTC
AddedResolved time#5
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After: 2026-07-13 23:07 UTC
AddedAffected components#6
Before: not present
After: Analytics - Web Application, Analytics - Web Reporting, Audiences - Web Application, Data - Web Application, Experiment - Web Application, MCP, Web Application, Web Reporting
AddedUpdateinvestigating#7
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After: Since 2026-07-13 14:04 PT, we have been experiencing issues with the Amplitude user interface (UI) MCP and rest APIs. Our team is actively investigating the source of the issue and will work to deploy a fix. We expect no data loss. No customer action is needed at this time. EU data center should be unaffected by this outage. We will provide the next update in 30 mins.
AddedUpdateinvestigating#8
Before: not present
After: We are continuing to investigate this issue.
AddedUpdatemonitoring#9
Before: not present
After: A fix has been implemented, and we're monitoring the results
AddedUpdateresolved#10
Before: not present
After: This incident has been resolved.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Critical incident: Amplitude UI and MCP is down (this change)
Amplitude reported a critical outage affecting its UI, MCP and REST APIs, starting 2026-07-13 21:31 UTC and resolved at 2026-07-13 23:07 UTC (1 h 36 min). A fix was implemented; Amplitude expected no data loss, said the EU data center should be unaffected, and required no customer action.
Major incident

All Amplitude changes → · Amplitude profile · Markdown · JSON