Malformed JSON or XML Body

Walmart couldn't parse the request body. Validate JSON/XML before submitting.

Specific issue affecting how Walmart Seller Center processes your product data — see the linked official article for the exact mechanism and fix.

1. Open the linked Walmart Seller Center help article for the specific resolution steps.
2. Identify which products are affected via Seller Center → Catalog → Item Issues.
3. Make the necessary corrections in your product data feed.
4. Re-upload the corrected feed and verify the issue clears in the next processing cycle (typically 4–24 hours).

• Assuming the issue auto-resolves — most issues require active correction