A .Net client library for the Bandwidth Application Platform

The current version is v3.0, released 1 February, 2017. Version 2.15 is available here.

Build on .Net 4.5 (Windows) Build on .Net Core (Linux) Coverage Status

Installing the SDK

Bandwidth.Net is available on Nuget (Nuget 3.0+ is required):

Install-Package Bandwidth.Net -Pre

Supported Versions

Bandwidth.Net should work on all levels of .Net Framework 4.5+.

Version Support Level
<4.5 Unsupported
4.5 Supported
netstandard1.6 (.net 4.6+, .net core 1.0+, etc) Supported
netstandard2.0 (.net core 2.0+, etc) Supported

Client initialization

All interaction with the API is done through a class Client. The Client constructor takes an next options:

Argument Description Default value Required
userId Your user ID none Yes
apiToken Your API token none Yes
apiSecret Your API secret none Yes
baseUrl The Bandwidth API URL No

To initialize the Client instance, provide your API credentials which can be found on your account page in the portal.

using Bandwidth.Net;

var client = new Client(
    "YOUR_USER_ID", // <-- note, this is not the same as the username you used to login to the portal

Your client object is now ready to use the API.

Lazy evalutions

This library uses lazy evalutions in next cases:

  • Object creation,

  • Get list of objects

Object Creation

When you create a bridge, call, message, etc. you will receive instance of ILazyInstance<> as result. It allow you to get Id of created object and created object on demand via property Instance.

var application = await client.Application.CreateAsync(new CreateApplicationData {Name = "MyFirstApp"});

Console.WriteLine(application.Id); //will return Id of created application

Console.WriteLine(application.Instance.Name); //will make request to Catapult API to get application data

Console.WriteLine(application.Instance.Name); //will use cached application's data

Get list of objects

Executing of methods which returns collections of objects will not execute Catapult API request immediately. THis request will be executed only when you try enumerate items of the collection.

var calls = client.Call.List(); // will not execute any requests to Catapult API here

foreach(var call in calls) // a request to Catapult API will be executed here

// or

var list = calls.ToList(); // a request to Catapult API will be executed here



Send a SMS

var message = await client.Message.SendAsync(new MessageData {
    From = "+12345678901", // This must be a Bandwidth number on your account
    To   = "+12345678902",
    Text = "Hello world."
Console.WriteLine($"Message Id is {message.Id}");

Make a call

var call = await client.Call.CreateAsync(new CreateCallData {
    From = "+12345678901", // This must be a Bandwidth number on your account
    To   = "+12345678902"
Console.WriteLine($"Call Id is {call.Id}");

Extracting callback event data from string

var callbackEvent = CallbackEvent.CreateFromJson("{\"eventType\": \"sms\"}");

Extracting callback event data from http content (useful for ASP.Net and other web applications)

// In ASP.Net action
var callbackEvent = await Request.Content.ReadAsCallbackEventAsync();

// anywhere
var callbackEvent = await content.ReadAsCallbackEventAsync(); // content is instance of HttpContent

Using BXMLv2

using Bandwidth.Net.XmlV2.Verbs;
using Bandwidth.Net.Xml;

var response = new Response(new SpeakSentence{
    Gender = "female",
    Locale = "en_UK",
    Sentence = "Hello",
    Voice = "kate"

var xml = response.ToXml(); // will build string <?xml version="1.0" encoding="utf-8"?><Response><SpeakSentence gender="female" locale="en_UK" voice="kate">Hello</SpeakSentence></Response>

Providing feedback

For current discussions on 3.0 please see the 3.0 issues section on GitHub. To start a new topic on 3.0, please open an issue and use the 3.0 tag. Your feedback is greatly appreciated!

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