Newegg Marketplace API

Newegg API development guide includes the integration information for all available platforms:,, and  Resource URL and API credentials is different between each Newegg platform.

For example purposes, in this guide:

  • Resource URL and Information will be indicated at top of page when applicable.
  • One Resource URL will be used for examples, adjust accordingly, when working with different Newegg platform.
  • Details of request body for each Resource URL will be provided with Schema download.

Change History

Platforms,, and

Getting Started

Newegg Marketplace API is a set of API services that enable sellers to manage items, orders, accounts and reports.

Please go through the following before you start:

  1. Newegg Marketplace API Registration and Authentication
  2. Newegg Marketplace API Endpoints and Time Standard
  3. Throttling
  4. Create Your Own Client Library
  5. Use Newegg Marketplace SDK (Client Library)

The following sections define all available services in details to serve different business operations:

  1. Verify Service Status
  2. Item Management
  3. Order Management
  4. Newegg Shipping Label Service
  5. DataFeed Management
  6. RMA Management
  7. Reports Management
  8. Seller Management
  9. SBN (Shipped by Newegg) Management


  1. Common Request Headers
  2. Failed Response Error Code List
  3. Acceptable Date Format
  4. Newegg Integrated Carrier List

Looking for help with additional information? Contact Newegg Marketplace Integration Team  or Stackoverflow.

Last updated: October 15, 2018