# Fetch system monitor events

Get system monitor events for the selected instruments and time range.

Only supported by Quantum noise monitors.

The maximum date range per request is 31 days. If you request a longer range, the server will respond with an error.

Requires an API key with the data.system:read scope.

Endpoint: GET /data/monitor/events
Version: 1.0.1
Security: apikey

## Query parameters:

  - `instruments` (array, required)
    Serial numbers of selected instruments
    Example: ["QT123456","QT234567"]

  - `start` (string, required)
    Start date and time for loading a range of data. Must be in UTC.

This uses the ISO8601 format. For example, 2023-01-01T00:00:00Z is 1st January 2023 at midnight UTC.
    Example: "2023-01-01T00:00:00Z"

  - `end` (string, required)
    End date and time for loading a range of data. Must be in UTC.

This uses the ISO8601 format. For example, 2023-01-01T00:00:00Z is 1st January 2023 at midnight UTC.
    Example: "2023-01-31T00:00:00Z"

## Response 200 fields (application/json):

  - `type` (string)
    Enum: "Connection", "Online", "Update"

  - `start` (string)

  - `end` (string)

  - `info` (string)

  - `instrument` (string)

## Response 401 fields (application/json):

  - `error` (string)
    Error code

  - `description` (string)
    Description of the error

## Response 403 fields (application/json):

  - `error` (string)
    Error code

  - `description` (string)
    Description of the error

## Response 429 fields (application/json):

  - `error` (string)
    Error code

  - `description` (string)
    Description of the error