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Open Source APIs



51Degrees APIs are licensed under the Mozilla Public Licence 2 and are free to use commercially. Choose your preferred programming language or content management system, then download plug-ins, source code and our free Lite device data file.

If you've got questions read our FAQs or post on our Forum.

When you need automatic weekly updates to device data, or have to know physical screen size or device type like tablet or TV simply swap out the free lite data file for Premium or Enterprise.