This is a prerelease version of CSxAPI.
dotnet add package CSxAPI --version 11.5.2-SNAPSHOT1
NuGet\Install-Package CSxAPI -Version 11.5.2-SNAPSHOT1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="CSxAPI" Version="11.5.2-SNAPSHOT1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add CSxAPI --version 11.5.2-SNAPSHOT1
#r "nuget: CSxAPI, 11.5.2-SNAPSHOT1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install CSxAPI as a Cake Addin
#addin nuget:?package=CSxAPI&version=11.5.2-SNAPSHOT1&prerelease

// Install CSxAPI as a Cake Tool
#tool nuget:?package=CSxAPI&version=11.5.2-SNAPSHOT1&prerelease


target version NuGet

CSxAPI is a strongly-typed API client library for Cisco xAPI. It is similar to the official jsxapi implementation, but for .NET instead of JavaScript. xAPI is exposed by Cisco video conferencing devices, which are known by many names:

  • Collaboration Endpoint
  • Webex Room
  • Cisco device
  • Room system
  • TelePresence
  • Codec

This library can send and receive xCommands, xConfigurations, xStatuses, and xEvents over a WebSocket connection, which is available in Cisco software versions ≥ CE 9.7, and enabled by default in versions ≥ RoomOS 10.8.

  1. Requirements
  2. Installation
  3. API documentation
  4. Connection
  5. Operations
    1. Commands
    2. Configurations
    3. Statuses
    4. Events
  6. Error handling
  7. Testing
    1. Dependent unit testing

Room Kit


  • .NET 6 or later
  • Cisco endpoint
    • Targeted endpoint software version: RoomOS 11.5
      • Each CSxAPI library release targets exactly one endpoint software version, ideally the latest on-premises version
      • Other endpoint software versions should also work, as long as the API didn't introduce any breaking changes from the target version
      • This library makes no additional attempt at backwards compatibility other than that afforded by xAPI, which is very backwards compatible on its own
    • Minimum endpoint software versions: CE 9.7 and RoomOS 10.3
    • Hardware: Room, Board, Desk, SX, DX, or MX series are compatible
      • Tested on a Room Kit and a Room Kit Plus PTZ 4K
      • xAPI does not exist on C, CTS, E, EX, IX, MXP, or T series endpoints, therefore they are not compatible
    • Configuration: WebSocket protocol must be enabled
      • Enable by running xConfiguration NetworkServices Websocket: FollowHTTPService through SSH, Telnet, or an RS-232 serial connection (XACLI); the web admin site; or the XML HTTP API (TXAS)
      • Enabled by default in versions ≥ RoomOS 10.8
      • /Configuration/NetworkServices/HTTP/Mode must not be Off
    • Addressing: you must know the endpoint's IP address, FQDN, or other hostname
    • Authentication: you need the username and password of an active user that can log in to the endpoint
      • If the endpoint is registered to Webex and has no local users, you must create a new local user through Local Device Controls
    • Network: open TCP route from your client to port 443 on the endpoint


The CSxAPI package is available on NuGet.

dotnet add package CSxAPI

API documentation

For xAPI documentation, refer to the API Reference Guide PDF for the endpoint software version that this CSxAPI release targets, RoomOS 11.5.

Alternatively, you may refer to the online xAPI documentation site.


using CSxAPI;

await using XAPI xAPI = new CSxAPIClient(hostname: "", username: "admin", password: "password123!");

await xAPI.Connect();

To disconnect, CSxAPIClient must be disposed with await using, using, or .Dispose().


You don't have to pass any of these options, but they're here if you need them.

new CSxAPIClient(hostname, username, password) {
    AllowSelfSignedTls = false,
    ConsoleTracing = false
  • AllowSelfSignedTls: set to true if connections to WebSocket servers with self-signed or invalid TLS certificates should be allowed, or false (default) to require valid certificates that chain to trusted CAs.
  • ConsoleTracing: set to true to print all JSON-RPC requests and responses sent and received over the WebSocket connection to the console.



IDictionary<string, object> result = await xapi.Command.Dial(number: "10990@bjn.vc");
Console.WriteLine($"Dialed call {result["CallId"]} (conference {result["ConferenceId"]})");


string name = await xapi.Configuration.SystemUnit.Name();
await xapi.Configuration.SystemUnit.Name("Whisper Blade");
xapi.Configuration.SystemUnit.NameChanged += newName => Console.WriteLine($"System name changed to {newName}");


TimeSpan uptime = TimeSpan.FromSeconds(await xapi.Status.SystemUnit.Uptime());
Console.WriteLine($"Endpoint has been up for {uptime.Days:N0} day(s), {uptime.Hours:N0} hour(s), {uptime.Minutes:N0} minute(s), and {uptime.Seconds:N0} second(s).");
xapi.Status.Call.N.StatusChanged += callStatus => {
    if (callStatus == StatusCallNStatus.Connected) {
        Console.WriteLine("Call connected");


xapi.Event.UserInterface.Message.TextInput.Response += response => {
    if (response.FeedbackId == "my expected feedback ID") {
        Console.WriteLine($"User entered {response.Text} into the TextInput dialog");

Error handling


The XAPI interface exposes the bool IsConnected property, which is true when the WebSocket is connected and false otherwise.

To receive notifications when it is disconnected, subscribe to the Disconnected event.


Not yet implemented

Method not found

Not yet implemented

Illegal arguments

Not yet implemented


Dependent unit testing

To do

Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
11.5.2-SNAPSHOT1 90 7/28/2023
0.0.0-SNAPSHOT1 67 6/19/2023