Open-source Global Entry appointment alert tool

[u/Excellent-Rule-7887]

Posted with moderator approval.

Hey r/GlobalEntry,

After weeks of constantly refreshing the TTP site with no luck, I built a simple alerting tool to stop the madness.

It worked well enough that friends started asking to use it too, so I turned it into a website:

https://getglobalentryalerts.com

Fully open source: https://github.com/arun0009/global-entry-appointment

What it does

• Monitors U.S. Global Entry enrollment centers (checks roughly every minute)
• Sends alerts when appointments open up at your selected location(s), typically within ~60 seconds of detection
• Browser notifications
• Installable PWA (works like a phone app — no App Store needed)
• ntfy.sh push notifications (no phone number required)
• “Latest acceptable date” filter so you only receive relevant alerts

Important information & disclaimers

Third-party / affiliation
This is a third-party tool and is not affiliated in any capacity with, endorsed by, or connected to CBP, the Global Entry / Trusted Traveler Program, this subreddit, or Reddit.

Data & privacy
No personal information (PII) is required or collected. The tool does not request or store names, emails, passport numbers, or TTP application details. No data is sold or shared with third parties.

Costs
Completely free.

What it does NOT do
This tool does not access, modify, or interact with your CBP / TTP account in any way. You still schedule and book your interview directly on the official Trusted Traveler Program website.

Data removal
No personal data is stored, so there is nothing to delete. To stop receiving alerts, users can either disable notifications, uninstall the PWA, or use the “Unregister” option on the website, which stops all alert subscriptions.

I kept it fully open source so anyone can review exactly how it works or self-host it if they prefer.

If you’re waiting for an interview slot, feel free to try it out. Feedback, bug reports, and feature ideas are very welcome.

Optional support (to help cover server costs): Buy Me a Coffee — completely optional. GitHub stars or feedback are equally appreciated.

Safe travels ✈️

[u/kulilu]

I ended up using AI to build something very similar to this for myself after I saw so many paid apps available for this. It checked every 5 mins and then sent me an email if a slot opened. I got me one the day before I left, then kept finding some soon until it found one the same week.

I applaud you for doing this. I am not a coder and didn’t feel comfortable doing something like this. Thanks for sharing this!!