Dexcom

Dexcom Developer API

REST API for retrieving Dexcom continuous glucose monitoring data on behalf of authorized end users. Authentication is OAuth 2.0 authorization code flow; sandbox and production hosts are separate. Resources include estimated glucose values (EGVs), events, calibrations, alerts, devices, and data range. Intended for research, clinical, and consumer applications that integrate Dexcom CGM data with other digital health experiences.

Documentation GitHub OpenAPI

Documentation

https://developer.dexcom.com/

https://developer.dexcom.com/get-started

https://developer.dexcom.com/docs/dexcomv3/endpoint-overview

https://developer.dexcom.com/docs/dexcom/authentication/

Specifications

https://raw.githubusercontent.com/api-evangelist/dexcom/refs/heads/main/openapi/dexcom-dexcom-api.yml

Schemas & Data

EGV Record Schema

EGVs Response Schema

Event Record Schema

Events Response Schema

Calibration Record Schema

Calibrations Response Schema

Alert Record Schema

Alerts Response Schema

Alert Schedule Schema

Alert Setting Schema

Device Record Schema

Devices Response Schema

Data Range Moment Schema

Data Range Window Schema

Data Range Response Schema

Token Request Schema

Token Response Schema

Glucose Unit Schema

Rate Unit Schema

Trend Type Schema

EGV Status Schema

Event Type Schema

Event Status Schema

Alert Name Schema

Alert State Schema

Transmitter Generation Schema

Date Time Schema

EGV Record Structure

EGVs Response Structure

Event Record Structure

Events Response Structure

Calibration Record Structure

Calibrations Response Structure

Alert Record Structure

Alerts Response Structure

Alert Schedule Structure

Alert Setting Structure

Device Record Structure

Devices Response Structure

Data Range Moment Structure

Data Range Window Structure

Data Range Response Structure

Token Request Structure

Token Response Structure

Glucose Unit Structure

Rate Unit Structure

Trend Type Structure

EGV Status Structure

Event Type Structure

Event Status Structure

Alert Name Structure

Alert State Structure

Transmitter Generation Structure

Date Time Structure

Other Resources

https://sandbox-api.dexcom.com

https://developer.dexcom.com/terms-of-use

EGV Record Example

EGVs Response Example

Event Record Example

Events Response Example

Calibration Record Example

Calibrations Response Example

Alert Record Example

Alerts Response Example

Alert Schedule Example

Alert Setting Example

Device Record Example

Devices Response Example

Data Range Moment Example

Data Range Window Example

Data Range Response Example

Token Request Example

Token Response Example

Glucose Unit Example

Rate Unit Example

Trend Type Example

EGV Status Example

Event Type Example

Event Status Example

Alert Name Example

Alert State Example

Transmitter Generation Example

Date Time Example

https://raw.githubusercontent.com/api-evangelist/dexcom/refs/heads/main/apis.yml

OpenAPI Specification