Convert items for WFS

post

https://marketplace.walmartapis.com/v3/feeds

This API converts existing Marketplace items to be Walmart Fulfillment Services (WFS) eligible. After a Marketplace item is created, convert it to WFS by submitting additional required attributes that are not part of the initial item setup.

Complete the WFS item conversion using either of the following methods:

Upload the Convert Spec Excel file through Seller Center, or
Use the WFS Item Conversion API documented here.

Refer to the following resources for US‑specific WFS requirements:

Download and review the request body samples for guidance on formatting the feed file before uploading it for processing.

Market availability: US, MX, CA

Query Params

feedType

string

required

Defaults to OMNI_WFS

Specifies the type of feed being submitted. Defaults to OMNI_WFS

i. OMNI_WFS - applicable to US only
ii. OMNI_WFSCONVERT - applicable to CA and MX only
note: Do not set this parameter to true. Provide a valid string value as listed above.

Market availability: US, MX, CA

Body Params

file

required

Feed file to upload.

Market availability: US, CA, MX

Headers

WM_SEC.ACCESS_TOKEN

string

required

Access token obtained from the Token API. This is required for authenticating requests to Walmart Marketplace APIs.