Audience: Suppliers

This page contains documents that are unique for suppliers connecting with West Marine on the platform. The documents on this page have been customized for West Marine suppliers and should be used during the onboarding process and when receiving live orders.

For questions related to the West Marine drop-ship program, please reach out to your brand's West Marine merchandising representative.

For onboarding support, please email the Onboarding team at

For production support, check out Rithum’s supplier documentation or email our Software Support team.

Onboarding with Rithum

To learn more about the onboarding process and your next steps, see Joining the Rithum Network.

Live Webinar for West Marine - November 2, 2023 - (Recording)        

The Rithum Onboarding team presented a webinar about the overall onboarding process with a live demo of advanced catalog services.

Using advanced catalog services to set up your products

As a supplier, you are required to use advanced catalog services to add all rich item data, including images, for any items you wish to sell on the West Marine website. To learn more about advanced catalog services, go to Advanced Catalog Services for Suppliers.

Note: Not all retailer trading partners use advanced catalog services, which is different from the basic catalog templates you use to provide item data to your retail partner. Advanced catalog templates on the Products page are created by the retailer and reflect the retailer’s unique requirements for each product category. The basic catalog/inventory templates found on the Inventory Upload File page are not specific to a category and do not reflect any retailer rules or requirements. For more information about uploading basic catalog/inventory templates using the Inventory page, see Creating or Updating Inventory.

Looking for more information on managing your content with advanced catalog services? View and enroll in the Managing Your Content training course in Rithum Learn, which provides interactive, on-demand business and system training.

Required fields by workflow

West Marine 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.

West Marine - 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.

Returns can be submitted via API or through the web application.

West Marine - Inventory Upload Template
West Marine - Cancel Upload Template
West Marine - Shipment Upload Template

EDI documentation

If you are going to exchange EDI documents with Rithum for West Marine, you will use the standard EDI specifications.

Note: In the EDI specifications, there are two versions for the 850 file: 4010 and 5010. For West Marine, 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

Packing slips

You are required to download packing slips and include them in your shipments. Packing slips can be downloaded in the platform.

If you prefer to create your own packing slips, this document provides instructions for replicating packing slips for West Marine. Once you have created your packing slips, please submit samples to West Marine for approval.

West Marine - Packing Slip Guide
West Marine Logo

Ship code mapping

The Ship Methods that are required by West Marine are available from the web application by selecting Settings > Mapping Settings > Ship Mapping.  The highlighted rows identify the ship method codes that are required by West Marine on all supplier shipment transactions.

Additional background information regarding ship mapping settings is here: Setting Up Supplier Ship Mapping.

Shipping charges

West Marine has provided some additional information about their policy regarding shipping charges. Refer to the document below for more information and how to obtain the Shipping Account Number.

West Marine - Shipping Charges


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