Do you support CGMs like Dexcom?

Dexcom (including G7) is a reliable direct integration.

Dexcom (including G7) is a reliable direct integration. Enable it in the dashboard Connections and users auth via the widget like any provider. Note it has heavier one-time setup: a developer account, an OAuth app, a custom subdomain CNAME, and a regional variant for non-US users.

The most robust path for CGM coverage generally is to funnel users to connect their CGM to Apple Health (iOS) or Health Connect (Android), then connect that to your app via Terra's mobile SDK. Glucose then arrives under body_data.glucose_data.blood_glucose_samples and covers the whole market without integrating each CGM separately.