This API call fetches a thumnail image from the backend. Thumbnail images are cached in the backend. If you subscribe for a thumbnail image via the websocket, the frontend only receives a messages which tells that a new thumbnail picture is available. The image itself then must be fetched with the /api/v1/thumbnail API call.
Supported HTTP methods: GET, HEAD, OPTIONS
GET /api/v1/thumbnail/{messageId}
Gets the thumbnail image for the given message ID (e.g. 'MNC-1.IRD-3.thumbnail') Please note, that the messageId must be subscribed or the API call will return a 404 Not Found because the backens has not subscribes for the thumbnail message at the M&C
Parameters:
| Parameter | Description |
|---|---|
| messageId | The full message ID of the thumbnail parameter of the device |
Expected Payload: none.
Replied Payload: An Thumbnail document containing the thumbnail image.
Return Codes:
| Code | Description |
|---|---|
| 200 | OK, the requested Thumbnail document is returned. |
| 401 | Not logged in. In this case an ApiError document is returned, describing details of the error. |
| 404 | Not found. In this case an ApiError document is returned, describing details of the error. |