Audience: Best Buy Marketplace trading partners

This page contains documents that are unique for trading partners connecting with Best Buy Marketplace on the platform. The documents on this page have been customized for Best Buy Marketplace trading partners and should be used during the onboarding process and when receiving live orders.

To learn more about features Best Buy Marketplace will use as part of their ecommerce program, see:

For questions related to the Best Buy Marketplace ecommerce program, please reach out to your brand’s Best Buy Marketplace merchandising representative.

For onboarding support, please email the Onboarding team at

For production support, please reach out to our Software Support team.

Onboarding with Rithum

To learn more about the onboarding process and your next steps, see:

Required Fields by Workflow

Best Buy Marketplace requires certain fields for inventory, cancel, and shipment updates. You will need to ensure that you are sending all the required fields for this program. The document below outlines those required fields by workflow.

Best Buy Marketplace - Required Fields by Workflow

Excel Templates for Each Workflow

If you would like a description of the required fields listed in the document above, or if you plan on using Excel files for your feeds, the templates below are available for you to use.

Best Buy Marketplace - Inventory Upload Template
Best Buy Marketplace - Order Cancel Upload Template
Best Buy Marketplace - Shipment Upload Template

EDI Documentation

If you are going to exchange EDI documents with Rithum for Best Buy Marketplace, you will use the standard EDI specifications.

Note: In the EDI specifications, there are two versions for the 850 file: 4010 and 5010. For Best Buy Marketplace, we recommend you use the 5010 version for 850 files. All other files (846, 856, 870, 810) will use the 4010 version.

API Documentation

If you are going to exchange transactions via API, you will use the V3 API specifications.


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