Devices - Get Devices
Gets the identities of multiple devices from the IoT Hub identity registry. Not recommended. Use the IoT Hub query API to retrieve device twin and device identity information. See https://docs.microsoft.com/en-us/rest/api/iothub/service/queryiothub and https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-query-language for more information.
GET https://fully-qualified-iothubname.azure-devices.net/devices?api-version=2020-05-31-previewGET https://fully-qualified-iothubname.azure-devices.net/devices?top={top}&api-version=2020-05-31-previewURI Parameters
| Name | In | Required | Type | Description |
|---|---|---|---|---|
|
api-version
|
query | True |
string |
Version of the Api. |
|
top
|
query |
integer int32 |
The maximum number of device identities returned by the query. Any value outside the range of 1-1000 is considered to be 1000. |
Responses
| Name | Type | Description |
|---|---|---|
| 200 OK |
Device[] |
OK. |
Definitions
| Name | Description |
|---|---|
|
Authentication |
|
| Device | |
|
Device |
The status of capabilities enabled on the device. |
|
Symmetric |
|
| X509Thumbprint |
AuthenticationMechanism
| Name | Type | Description |
|---|---|---|
| symmetricKey |
Symmetric |
The primary and secondary keys used for SAS based authentication. |
| type |
enum:
|
The type of authentication used to connect to the service. |
| x509Thumbprint |
The primary and secondary x509 thumbprints used for x509 based authentication. |
Device
| Name | Type | Description |
|---|---|---|
| authentication |
Authentication |
The authentication mechanism used by the device. |
| capabilities |
Device |
The set of capabilities of the device. For example, if this device is an edge device or not. |
| cloudToDeviceMessageCount |
integer |
The number of cloud-to-device messages currently queued to be sent to the device. |
| connectionState |
enum:
|
The state of the device. |
| connectionStateUpdatedTime |
string |
The date and time the connection state was last updated. |
| deviceId |
string |
The unique identifier of the device. |
| deviceScope |
string |
The scope of the device. Auto generated and immutable for edge devices and modifiable in leaf devices to create child/parent relationship. |
| etag |
string |
The string representing a weak ETag for the device identity, as per RFC7232. |
| generationId |
string |
The IoT Hub-generated, case-sensitive string up to 128 characters long. This value is used to distinguish devices with the same deviceId, when they have been deleted and re-created. |
| lastActivityTime |
string |
The date and last time the device last connected, received, or sent a message. |
| status |
enum:
|
The status of the device. If the status disabled, a device cannot connect to the service. |
| statusReason |
string |
The 128 character-long string that stores the reason for the device identity status. All UTF-8 characters are allowed. |
| statusUpdatedTime |
string |
The date and time when the status field was last updated. |
DeviceCapabilities
The status of capabilities enabled on the device.
| Name | Type | Description |
|---|---|---|
| iotEdge |
boolean |
The property that determines if the device is an edge device or not. |
SymmetricKey
| Name | Type | Description |
|---|---|---|
| primaryKey |
string |
The base64 encoded primary key of the device. |
| secondaryKey |
string |
The base64 encoded secondary key of the device. |
X509Thumbprint
| Name | Type | Description |
|---|---|---|
| primaryThumbprint |
string |
The X509 client certificate primary thumbprint. |
| secondaryThumbprint |
string |
The X509 client certificate secondary thumbprint. |