Marketplace channel (Amazon Business, Walmart Marketplace) integration, how?

Amazon Business is the long-tail competitor you cannot ignore. ~5M+ active business customers, dominant in tail-spend convenience. Most enterprise procurement teams already use it as a supplemental channel even when they have a primary office-supply contract with you.

Two strategic stances:

• Compete head-on, don’t list on Amazon Business, win on contract pricing + service + sustainability data + dedicated account management.
• Co-exist + capture tail spend, list your high-velocity SKUs on Amazon Business + Walmart Marketplace to capture tail-spend buyers who would otherwise go elsewhere, while keeping contract pricing exclusive to your storefront.

Most dealers do the second. The Magento integration:

• Channel manager (Channel Advisor, Codisto, Sellbrite, Feedonomics), feed-based. Magento is master, channel manager pushes product feeds to Amazon Business / Walmart, pulls orders back. ~$400, $2,500/mo. Default for >3 channels.
• Direct Amazon SP-API integration, for dealers selling 80%+ via Amazon Business. Tighter pricing control, better inventory sync. ~$15k, $30k of dev work.

Amazon Business-specific must-haves: quantity discounts (Amazon’s tiered-pricing equivalent), business-only pricing visible to verified business accounts, multi-user accounts with spend approval workflows, Pay by Invoice integration (Amazon offers Net-30 to verified businesses; you can integrate your own Net-30 alongside).

Walmart Marketplace business volume is smaller but growing. Lower fees than Amazon, fewer compliance hoops, weaker buyer-side procurement features. Worth listing if you’re already on Amazon Business.