The Official Docusign eSignature C# Client SDK

The Docusign SDK makes integrating Docusign into your apps and websites a seamless experience.

Table of Contents

• Introduction
• Installation
  • Version Information
  • Requirements
  • Compatibility
  • NuGet Package Manager
  • Package Manager Console
• Dependencies
• API Reference
• Code Examples
• OAuth Implementations
• Changelog
• Support
• License
• Additional Resources

Introduction

Integrate eSignatures into your application in minutes. The secure and award-winning Docusign eSignature API makes requesting signatures, automating forms, and tracking documents directly from your app easy.

Installation

This client SDK is provided as open source, which enables you to customize its functionality to suit your particular use case. To do so, download or clone the repository. If the SDK’s given functionality meets your integration needs, or if you’re working through our code examples from the Docusign Developer Center, you merely need to install it by following the instructions below.

Version Information

• API version: v2.1
• Latest SDK version (Including prerelease): 8.0.1

Requirements

• Microsoft .NET version 4.6.2+ (4.7 recommended)
• Free developer account

Compatibility

• .NET Standard 2.0. See .NET Standard Selector for details on versioning for the individual components in .NET Standard.
• .NET Core 2.0 or above.
• Microsoft .NET version 4.6.2+.
• TLS 1.2

NuGet Package Manager:

1. Create a new C# project, or open an existing one.
2. Select Tools -> NuGet Package Manager -> Manage NuGet Packages for Solution.
3. Search for Docusign.
4. Select DocuSign.eSign.dll.
5. Select the check box next to your project name.
6. Click Install.

Package Manager Console:

1. Create a new C# project, or open an existing one.
2. Open the Package Manager Console by either method:
   1. Clicking Package Manager Console along the bottom of Visual Studio
   2. Clicking Tools -> NuGet Package Manager -> Package Manager Console
3. In the Package Manager Console, type: Install-Package DocuSign.eSign.dll

SDK Dependencies

This client has the following external dependencies:

.NET Standard v2 and .NET Core:

• Newtonsoft.Json v13.0.3
• BouncyCastle.Cryptography v2.3.1
• System.ComponentModel.Annotations v5.0.0
• Microsoft.IdentityModel.JsonWebTokens v7.5.2

.NET Framework, version 4.6.2:

• Newtonsoft.Json v13.0.3
• BouncyCastle.Cryptography v2.3.1
• System.ComponentModel.Annotations v5.0.0
• Microsoft.IdentityModel.JsonWebTokens v7.5.2

API Reference

You can refer to the API reference here.

Code Examples

Explore our GitHub repository for the Launcher, a self-executing package housing code examples for the eSignature C# SDK. This package showcases several common use cases and their respective source files. Additionally, you can download a version preconfigured for your Docusign developer account from Quickstart. These examples support both the Authorization Code Grant and JSON Web Token (JWT) authentication workflows.

OAuth Implementations

For details regarding which type of OAuth grant will work best for your Docusign integration, see Choose OAuth Type in the Docusign Developer Center.

For security purposes, Docusign recommends using the Authorization Code Grant flow.

Changelog

You can refer to the complete changelog here.

Support

Log issues against this client SDK through GitHub. You can also reach out to us through Docusign Community and Stack Overflow.

License

The Docusign eSignature C# Client SDK is licensed under the MIT License.

Additional resources

• Docusign Developer Center
• Docusign API on Twitter
• Docusign For Developers on LinkedIn
• Docusign For Developers on YouTube