eBay provides the following SDKs for the Trading and Finding APIs.

SDK

Supported APIs

Description

.NET SDK Trading Use the eBay SDK for .NET to simplify common development tasks like logging, error handling, and authentication. Also available, for enhanced search: the .NET Finding Kit.
Java SDK Trading Enjoy object-oriented access to Web services with the eBay Platform. No need to parse XML strings and data structures. Also available, for enhanced search: the Java Finding Kit.
Python SDK  Trading, Shopping, Finding The eBay Open source python SDK is a simple, programmatic interface into the eBay APIs. It simplifies development and cuts development time by standardizing calls, response processing, error handling, debugging across the Finding, Shopping, & Trading APIs.