Walmart US & Canada / Checklist
Walmart Marketplace Application Checklist (US and Canada)
What Walmart asks for before you can sell on Walmart.com or Walmart.ca: business tax ID (no SSN), photo ID, name and address documents that match your tax records, selling history, GS1 barcodes, and a returns-capable US warehouse or WFS.
Read the checklist: Walmart Marketplace Application Checklist (US and Canada)