All Systems Operational

Uptime over the past 90 days. View historical uptime.
TierZero Portal (app.tierzero.ai) Operational
90 days ago
100.0 % uptime
Today
TierZero API (api.tierzero.ai) Operational
90 days ago
99.96 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Apr 29, 2026
Elevated errors on TierZero
Resolved - The incident is resolved. All systems are now back online.
Apr 29, 20:05 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Apr 29, 19:50 UTC
Identified - The issue has been identified and a fix is being implemented.
Underlying issue: https://status.modal.com/incident/883545
Apr 29, 19:47 UTC
Investigating - We are actively investigating an issue related to our underlying sandbox provider.
Apr 29, 19:28 UTC
Apr 28, 2026

No incidents reported.

Apr 27, 2026

No incidents reported.

Apr 26, 2026

No incidents reported.

Apr 25, 2026

No incidents reported.

Apr 24, 2026

No incidents reported.

Apr 23, 2026

No incidents reported.

Apr 22, 2026

No incidents reported.

Apr 21, 2026

No incidents reported.

Apr 20, 2026

No incidents reported.

Apr 19, 2026

No incidents reported.

Apr 18, 2026

No incidents reported.

Apr 17, 2026

No incidents reported.

Apr 16, 2026

No incidents reported.

Apr 15, 2026

No incidents reported.

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