Please note that you will need to have a valid YouSendIt account to properly test your application utilizing our APIs.

If you already have an API key you should check out our interactive console.  This tool will allow you to test out calls in real-time.

Developer's Guide

YouSendIt provides a reliable and secure solution to send and share files and folders from web, desktop, and mobile applications.  By building with our API you can develop desktop and mobile applications that allow users to create folders and collaborate on projects to share documents, creative assets, photos, videos and more.  Get all the details from our Developer Guide.  

Client Libraries & Sample Code 

iOS (v2.5.0)

Android (v2.5.0)

.Net (v2.5.0)

Java (v2.5.0)

PHP (v2.5.0)

Need help? Send us an email.