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Read these guides first to come up to speed on creating and setting up your developer account, getting your application keys, using OAuth, and getting a high-level overview of using eBay APIs.

Using eBay RESTful APIs

Learn the high-level REST call and response mechanics.

Authorization Guide

Learn how OAuth and Auth'n'Auth authorize the calls you make to eBay APIs.

Selling Apps Guides

Read these guides to get detailed procedural and conceptual information on all Sell APIs, how the methods in each API work together, and how Sell APIs can be used in conjunction with one another.

Selling Integration Guide

Learn how to develop a selling application.

LMS Feed API Guide

Learn how to send very large amounts of inventory to the eBay site using LMS Feeds.

Seller Hub Feed API Guide

Learn about extending Seller Hub programmatically through a RESTful API.

Traditional API Guides

Explore guides related to specific Traditional APIs.

MIP User Guide

Learn how to efficiently upload your inventory to eBay in bulk and manage orders with MIP!

Buying Apps Guides

The Buying Integration Guide provides detailed procedural and conceptual information and helps developers integrate eBay's Buy APIs into their applications.

Buying Integration Guide

Learn how to develop a buying application.

Regulatory and Other Guides

Guides related to Regulatory and Compliance.

Digital Signatures for APIs

Learn about adding digital signatures to some public API calls.

Regulated 3rd Party Providers

Learn about getting started with eBay APIs for regulated Third Party Providers (TPPs).

Account Deletion

Learn about working with Marketplace account deletion notifications.