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
Jul 26, 2026

No incidents reported today.

Jul 25, 2026

No incidents reported.

Jul 24, 2026

No incidents reported.

Jul 23, 2026

No incidents reported.

Jul 22, 2026

No incidents reported.

Jul 21, 2026

No incidents reported.

Jul 20, 2026
Resolved - This incident has been resolved.
Jul 20, 09:34 EDT
Investigating - We’ve received reports from some users that their Codespaces are currently inaccessible. As Codespaces are managed by GitHub, we do not have further visibility into the issue at this time.

Please check GitHub’s status page for updates at githubstatus.com and try accessing your Codespace again later.

You can also try visiting https://cs50.dev/codespaces to create a new Codespace by clicking the "Create codespace on main" button.

Jul 4, 12:45 EDT
Jul 19, 2026

No incidents reported.

Jul 18, 2026

No incidents reported.

Jul 17, 2026

No incidents reported.

Jul 16, 2026

No incidents reported.

Jul 15, 2026

No incidents reported.

Jul 14, 2026

No incidents reported.

Jul 13, 2026

No incidents reported.

Jul 12, 2026

No incidents reported.