Register and Create an App
First, you will want to register as a developer and create your first app. Creating an app gives you access to the credentials you need to make API requests. Don't worry too much about the app description at this point—you can always change that later. If you're looking for some inspiration, check out some of the third-party apps using the Dexcom API in the Gallery.
Make a Request
The best way to learn is to try out the API for yourself. Building up an app from scratch can take some time, so we've provided code examples in several popular languages to help you get started—find them in the documentation for each of the endpoints.
Learn More About Endpoints and Authentication
Build Your App
... and test it using the Sandbox Data. Additionally, each app can authenticate up to 20 users for testing with real data, enabling you to get started immediately.
Launch Your App
Assemble your assets and request an upgrade for your app to Full Access status through the app management section. To learn more about this process, have a look at the Scopes & Access section.
Submit Feedback and Ask Questions
The Support section has answers to many frequently asked questions and enables you to submit feedback and support requests.