Dexcom · JSON Structure

Dexcom Api Egv Record Structure

A single estimated glucose value record.

Type: object Properties: 13

Continuous Glucose MonitoringDiabetesDigital HealthGlucoseHealthcareMedical DevicesWearables

EGVRecord is a JSON Structure definition published by Dexcom, describing 13 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

recordId systemTime displayTime transmitterId transmitterTicks value status trend trendRate unit rateUnit displayDevice transmitterGeneration

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/dexcom/refs/heads/main/json-structure/dexcom-api-egv-record-structure.json",
  "name": "EGVRecord",
  "description": "A single estimated glucose value record.",
  "type": "object",
  "properties": {
    "recordId": {
      "type": "string"
    },
    "systemTime": {
      "$ref": "#/definitions/DateTime"
    },
    "displayTime": {
      "$ref": "#/definitions/DateTime"
    },
    "transmitterId": {
      "type": "string",
      "nullable": true
    },
    "transmitterTicks": {
      "type": "int64"
    },
    "value": {
      "type": "int32",
      "description": "Estimated glucose value, in `unit`."
    },
    "status": {
      "$ref": "#/definitions/EgvStatus"
    },
    "trend": {
      "$ref": "#/definitions/TrendType"
    },
    "trendRate": {
      "type": "double",
      "nullable": true
    },
    "unit": {
      "$ref": "#/definitions/GlucoseUnit"
    },
    "rateUnit": {
      "$ref": "#/definitions/RateUnit"
    },
    "displayDevice": {
      "type": "string",
      "description": "One of `iOS`, `android`, or `receiver`."
    },
    "transmitterGeneration": {
      "$ref": "#/definitions/TransmitterGeneration"
    }
  },
  "definitions": {
    "EgvStatus": {
      "name": "EgvStatus",
      "type": "string",
      "enum": [
        "unknown",
        "high",
        "low",
        "ok"
      ]
    },
    "DateTime": {
      "name": "DateTime",
      "type": "datetime",
      "description": "ISO 8601 timestamp."
    },
    "TransmitterGeneration": {
      "name": "TransmitterGeneration",
      "type": "string",
      "enum": [
        "unknown",
        "g4",
        "g5",
        "g6",
        "g6+",
        "dexcomPro",
        "g7"
      ]
    },
    "TrendType": {
      "name": "TrendType",
      "type": "string",
      "enum": [
        "none",
        "unknown",
        "doubleUp",
        "singleUp",
        "fortyFiveUp",
        "flat",
        "fortyFiveDown",
        "singleDown",
        "doubleDown",
        "notComputable",
        "rateOutOfRange"
      ]
    },
    "RateUnit": {
      "name": "RateUnit",
      "type": "string",
      "enum": [
        "unknown",
        "mg/dL/min",
        "mmol/L/min"
      ]
    },
    "GlucoseUnit": {
      "name": "GlucoseUnit",
      "type": "string",
      "enum": [
        "unknown",
        "mg/dL",
        "mmol/L"
      ]
    }
  }
}