All Systems Operational

About This Site

Official updates on uptime and availability from the Chronograph development operations team.

Uptime over the past 90 days. View historical uptime.
Chronograph Operational
90 days ago
100.0 % uptime
Today
Chronograph Main API Operational
90 days ago
100.0 % uptime
Today
Infrastructure Operational
AWS ec2-us-east-1 Operational
AWS ec2-us-west-2 Operational
AWS s3-us-east-2 Operational
AWS ec2-us-west-1 Operational
AWS s3-ap-southeast-1 Operational
AWS s3-ap-northeast-2 Operational
AWS s3-us-west-2 Operational
AWS s3-sa-east-1 Operational
AWS s3-ap-southeast-2 Operational
AWS s3-eu-west-3 Operational
AWS ec2-us-east-2 Operational
AWS s3-ap-northeast-1 Operational
AWS s3-eu-west-1 Operational
AWS s3-eu-west-2 Operational
AWS s3-us-west-1 Operational
AWS iam Operational
AWS cloudfront Operational
Authentication Operational
Auth0 Authentication API Operational
Auth0 Multi Factor Authentication Operational
Auth0 CDN (cdn.auth0.com) Operational
Auth0 Custom Domains Operational
Email & Notifications Operational
90 days ago
100.0 % uptime
Today
SendGrid API v3 Operational
Courier Inbox Operational
90 days ago
100.0 % uptime
Today
DNS Operational
DNSimple Name Servers Operational
Exception Monitoring Operational
Sentry API Operational
Sentry Notifications Operational
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.

Feb 3, 2026

No incidents reported today.

Feb 2, 2026
Notifications not being sent
Resolved - We have processed the backlog of unsent notifications and confirmed that emails are being sent for new notifications.
Feb 2, 17:11 EST
Update - We are continuing to work on a fix for this issue.
Feb 2, 16:45 EST
Identified - We are waiting for our upstream service provider to restore service before we clear the backlog of unsent notifications.
Feb 2, 16:41 EST
Update - We are continuing to investigate this issue.
Feb 2, 16:38 EST
Investigating - Due to an outage with an upstream provider, we are not able to send any email notifications.
We have a complete record of unsent notifications and we will ensure all notifications are sent as soon as our upstream provider restores service.
Feb 2, 16:38 EST
Feb 1, 2026

No incidents reported.

Jan 31, 2026

No incidents reported.

Jan 30, 2026

No incidents reported.

Jan 29, 2026

No incidents reported.

Jan 28, 2026

No incidents reported.

Jan 27, 2026

No incidents reported.

Jan 26, 2026

No incidents reported.

Jan 25, 2026

No incidents reported.

Jan 24, 2026

No incidents reported.

Jan 23, 2026

No incidents reported.

Jan 22, 2026

No incidents reported.

Jan 21, 2026

No incidents reported.

Jan 20, 2026

No incidents reported.

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