Developers
The Beam Eye Tracker SDK turns webcams and smartphones into eye trackers in your own games or apps.
Advantages
Unlimited Reach
Unlock a massive potential user base since anyone with a webcam or phone is a potential user.
Reliable
High tracking accuracy and robustness using general purpose cameras.
Affordable
No dependency on proprietary hardware. Benefit from our existing user base and help expand it further through your game integration or extension.
Easy Setup
Streamlined onboarding. Get started within minutes.
Use cases
Create your own immersive game experiences, interactions or accessibility solutions for PC on top of the Beam Eye Tracker. Share your solution with us and we will help promote it to our expanding global user base.

Gaming
Add head and eye tracking to your PC game and increase immersiveness and player engagement.

Accessibility
Build your own accessibility solution using Beam as your augmentative and alternative communication (AAC) device.

Academic Research
Add head and eye tracking to your academic research project to uncover hidden behavior in user research, psychological studies and more.
Download the SDK now
by clicking on "Download Beam SDK", you agree to the SDK licensing terms and the Beam Terms of Use
Quick Start
The Beam Eye Tracker SDK is a development kit that uses head and eye tracking data from the Beam Eye Tracker to enhance immersion and performance in video games. It supports integration with Unity, Python, C#, C++ and C.
Head and Eye Tracking API
Use the API to develop a wide range of applications, from games, gaming tools, accessibility solutions to intuitive interfaces and UX research tools.
Tracking Performance Specification
- Accuracy*: 1.5°
- Sampling rate**: Hardware-limited
- Head tracking: 6 degrees of freedom
- Gaze vector: 3D origin and direction of left and right eyes
- Screen Gaze Point: 2D point of regard on a screen (incl. multiple screens)
- Operating Distance: 30-80cm/16-31”
- Tracking Box: 40x30cm/16×12” at 65cm/26”
- Max. recommended screen size***: 30''
** Sampling rate restricted by processing hardware and sensor sampling rate.
*** Larger than 30'' screens will reduce the performance gradually.
Turn your webcam into a general purpose eye tracker
FAQ
Yes. Our support team is here for you, from Monday to Friday, between 9 am – 5 pm (Central European Time). We offer timely replies so that you can focus on building your product.
The most up-to-date list can be found on the API documentation page, in particular, what is accessible through the `TrackerClient`.
Yes, please check out the Getting Started section of the documentation, subsection Output.
Questions from developers
Do my players need the Beam Eye Tracker?
Yes. Your players run the Beam Eye Tracker on their PC, and your game or app reads its head and eye tracking through the SDK.
Can I bundle the Beam Eye Tracker with my game or license it per copy?
Distribution, bundles and licensing are agreed case by case. Contact us and tell us about your game or app.



