Windows Developer Center: Trading API

Use .NET, C#, ASP, VB, etc. to make direct Trading API calls, or use the SDK to make it easier.

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Tutorials

• C#: SOAP API: Making your first call (GetUser) [ZIP Only]
• .NET SDK: Windows Application for Auth & Auth
• C# & VB: SOAP API: Build a Custom eBay Watch List, by Microsoft
• .NET SDK: Best Practices [PDF], from 2006 Dev Con Presentation
• More Tutorials: Tutorials for other programming languages. »

Samples

• ASP Samples
• VB.NET Samples
• Visual Basic 6 Samples
• Search the Knowledge Base for samples
• Also see the SDK for .NET download for additional samples that use the SDK.

Downloads

• eBay SDK for .NET: Cut development time and simplify tasks like authentication. Learn more »
• Read the Readme file before installing.
• eBay Selling Starter Kit: An eBay add-on to the Microsoft Starter Kit helps cut VB.NET development time. Learn more »

Documentation

• Call Reference: Browse all calls and the fields they use.
• eBay Web Services Guide (HTML) or (PDF): How eBay works. Learn workflows; find call samples.
• Library Reference Documentation (ndoc): See classes and methods provided with the SDK.
• Readme file: View changes since the last release.
• API Release Notes: View enhancements in each bi-weekly API release.

Support

• Production System Announcements: See the latest system announcements regarding eBay Web Services
• eBay Developer Forums: Free support from your fellow developers and Developer Technical Support
• Developer Support: Choose from paid support offerings, including Support Requests and Live Help.