Multi-Channel Lister for eBay, Amazon, and Walmart
One catalog, every marketplace, fitment-correct.
Listing the same parts across marketplaces by hand is slow, and fitment errors trigger returns and account strikes. We build a multi-channel lister that pushes your catalog to eBay, Amazon, Walmart, and more, keeps price and stock synced, and maps fitment correctly so buyers get the right part the first time.
Who it's for: Parts sellers and distributors expanding across eBay, Amazon, Walmart, and other marketplaces.
Problems we solve
If any of these sound like your day, there's software that fixes it.
Re-keying the same listings into every marketplace
Fitment errors that cause returns and account warnings
Price and stock drifting out of sync between channels
Slow launches when you add a new brand or channel
No single place to manage titles, images, and specs
What we build
Concrete deliverables, shaped to how your business actually runs.
One-click publishing from your catalog to eBay, Amazon, Walmart, and more
Fitment (ACES/PIES) mapping so vehicle compatibility is correct per channel
Live price and inventory sync so channels never fall out of step
Channel-specific templates for titles, images, categories, and specs
Bulk edits and re-list rules to launch new brands fast
Error handling that surfaces rejected listings with the reason and a fix
AutoBuffy manages 3.88M SKUs with fitment data across channels
We built Westar EDI and Buffy360 to move catalog and order data between systems
We work fluently with ACES/PIES and marketplace APIs, not just generic feeds
Questions we get asked
Straight answers. If yours isn't here, ask us below.
Which marketplaces can you list to?
eBay, Amazon, and Walmart are the common ones, and we can add other marketplaces or carts with an available API or feed. Your catalog stays the single source of truth for all of them.
Do you handle vehicle fitment correctly?
Yes. We map ACES and PIES fitment and translate it into each marketplace's compatibility format, so buyers filter to the right part and you cut fitment-related returns.
How fast will price and stock update across channels?
Changes propagate in near real time from your source catalog, so a sale or price change on one channel reflects on the others within seconds to minutes depending on the marketplace's API.
What happens when a listing gets rejected?
We surface the rejection with the marketplace's reason and a suggested fix, instead of letting it fail silently, so nothing sits unlisted without you knowing.
Can you migrate my existing listings?
Yes. We can import and map your current listings into one catalog, then republish them cleanly across your channels.
Tell us the problem
Describe what's slowing you down. We'll tell you — free — whether software can fix it, roughly what it takes, and what it saves you.
Tell us the channels you want to be on and we'll get your catalog there, priced and fitment-correct.
Tell us the problem, we'll figure out the technology. No 40-page spec, no discovery retainer — just a fast, honest conversation about what to build.
Tell us the problem