All Systems Operational

About This Site

This is CS50's status page, which summarizes which of CS50's services are currently operational. If some service appears to be operational below, but you think that there is, in fact, an outage, please email sysadmins@cs50.harvard.edu with specific details!

For help with any of CS50's assignments, problem sets, or projects, best to post in any of CS50's communities!

api.cs50.io Operational
cdn.cs50.net Operational
certificates.cs50.io Operational
check50 Operational
cli50 Operational
cs50.ai Operational
cs50.courses Operational
cs50.dev Operational
cs50.edx.org Operational
cs50.harvard.edu Operational
cs50.readthedocs.io Operational
cs50.ly Operational
cs50.me Operational
forms.cs50.io Operational
harvard.cs50.me Operational
help50 Operational
id.cs50.io Operational
manual.cs50.io Operational
render.cs50.io Operational
render50 Operational
style50 Operational
submit.cs50.io Operational
submit50 Operational
time.cs50.io Operational
vault.cs50.io Operational
video.cs50.io Operational
and third-party services... Operational
Auth0 Management API Operational
AWS EC2 (us-east-1) Operational
AWS EC2 (us-west-2) Operational
AWS ELB (us-east-1) Operational
AWS RDS (us-east-1) Operational
Cloud 9 (us-west-2) Operational
edX Operational
GitHub Actions Operational
GitHub API Requests Operational
GitHub Codespaces Operational
GitHub Copilot Operational
GitHub Git Operations Operational
GitHub Issues Operational
GitHub Notifications Operational
GitHub Packages Operational
GitHub Pages Operational
GitHub Pull Requests Operational
GitHub Webhooks Operational
HUIT Operational
Netlify API Operational
OpenAI API Operational
PyPi Operational
Slack Connections Operational
Slack Login Operational
Slack Messaging Operational
Zapier Operational
Zoom Meetings Operational
Zoom Software Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
May 9, 2026

No incidents reported today.

May 8, 2026

No incidents reported.

May 7, 2026

No incidents reported.

May 6, 2026

No incidents reported.

May 5, 2026

No incidents reported.

May 4, 2026
Resolved - This incident has been resolved.
May 4, 12:48 EDT
Monitoring - A fix has been implemented and we are monitoring the results.
May 4, 12:38 EDT
Investigating - Please subscribe to the latest update at https://www.githubstatus.com/incidents/72q3n8yxthcy
May 4, 12:08 EDT
May 3, 2026

No incidents reported.

May 2, 2026

No incidents reported.

May 1, 2026

No incidents reported.

Apr 30, 2026

No incidents reported.

Apr 29, 2026

No incidents reported.

Apr 28, 2026
Resolved - This incident has been resolved.
Apr 28, 13:32 EDT
Investigating - CS50 Duck is taking a break again without notice. It might come back shortly. In the meantime, please utilize community support for assignment-related assistance.
Apr 28, 10:14 EDT
Apr 27, 2026
Resolved - This incident has been resolved.
Apr 27, 18:47 EDT
Investigating - CS50 Duck is taking a break without notice. It should come back shortly. In the meantime, please utilize community support for assignment-related assistance.
Apr 27, 17:51 EDT
Apr 26, 2026

No incidents reported.

Apr 25, 2026

No incidents reported.