Large Merchant Services

eBay’s Large Merchant Services (LMS) is a set of APIs that enable an online seller’s application to send large amounts of inventory to eBay. Using LMS enables large merchants to shift the processing burden for large call volume (and call retries) from your server to eBay servers, reducing your own bandwidth and connection requests. Also, merchants can upload and manage price and quantity updates for thousands of eBay fixed price items and download large amounts of order, invoice, and active listing information.

eBay’s Large Merchant Services uses the following three APIs:

  1. Merchant Data API (data file): This API defines the data that can be passed to and from the eBay servers in files.
  2. Bulk Data Exchange API (Web service): This API describes how to manage the Large Merchant workflow, such as starting, stopping, and checking the status of data processing.
  3. File Transfer API (Web service): This API service passes the data file to and from the eBay servers.

Vangie Beal
Vangie Beal
Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.

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