Twilio SDK

The Twilio SDK SDK for .NET provides access to the Twilio SDK REST APIs from .NET applications.

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Installation

Add the .NET SDK as a project reference into your solution:

dotnet add reference <path-to-sdk>/TwilioSdk.csproj

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Quick Start

Dependency Injection

Register the client with IServiceCollection and resolve it from the container. The HttpClient is managed by IHttpClientFactory. Configure the client's behavior through TwilioSdkClientOptions.

services.AddTwilioSdkClient(options =>
    {
        options.AccountSidAuthToken =
            new BasicAuthCredentials
            {
                Username = "YOUR_USERNAME",
                Password = "YOUR_PASSWORD",
            };
        options.Environment = ServerEnvironment.Production;
        // TODO: configure more client options here
    });

Direct Instantiation

Create the client by passing an HttpClient you manage yourself. Configure the client's behavior through TwilioSdkClientOptions.

var httpClient = new HttpClient();
// TODO: configure more client options here
var options =
    new TwilioSdkClientOptions
    {
        AccountSidAuthToken = new BasicAuthCredentials
        {
            Username = "YOUR_USERNAME",
            Password = "YOUR_PASSWORD",
        },
        Environment = ServerEnvironment.Production,
    };
var client = new TwilioSdkClient(httpClient, options);

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Usage

For code examples and error responses, see API Reference.

Best Practices

Tip

Use a single TwilioSdkClient instance for the lifetime of your application and reuse it across all requests. Creating a new instance per request might exhaust the connection pool.

License

This SDK is distributed under the MIT License.

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Support

Refer to the API reference for detailed information on available operations with code samples.

For further assistance, please contact support at support@twilio.com.

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