> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kraken.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Security List Request

> FIX message to request the list of securities available for trading.

Request a list of securities available for trading.

<Tabs>
  <Tab title="FIX Specification">
    <ParamField path="header" type="" required> MsgType <code>x</code> </ParamField>

    <ParamField path="320 - SecurityReqID" type="string" required>
      Unique ID to identify this request.
    </ParamField>

    <ParamField path="559 - SecurityListRequestType" type="integer" required>
      Identifies the type of Security List Request.

      <ul>
        <b>Possible values: </b>
        <li><code>4</code> : ALL\_SECURITIES</li>
      </ul>
    </ParamField>

    <ParamField path="trailer" type="" required />
  </Tab>

  <Tab title="Example">
    ```text theme={null}
    8=FIX.4.4|9=88|35=x|34=3|49=CUSTOMER|52=20220930-13:28:16.451|56={{ Customer }}|320=id-220929160342682-27|559=4|10=156|
    ```
  </Tab>
</Tabs>