Connect SAP Business One to Amazon and eliminate manual data entry. OneCart automatically syncs inventory, pushes products, and writes orders back to your ERP.
Join 1,000+ merchants connecting their ERP to e-commerce



Our integration team gets SAP Business One and Amazon live with you.
OneCart connects to SAP Business One through a fast, fully documented REST API with clean JSON. ERP integrations run on your own business rules, so our integration specialists work alongside your IT team or vendor to map your data and get you live. You get a guided setup, not a DIY project.
Amazon volume has to land in SAP Business One without anyone rekeying orders, and your stock has to stay accurate across marketplaces. OneCart connects Amazon to SAP Business One so inventory syncs in real time, Amazon orders write back as marketing documents, and every channel you run feeds the same SAP company.
When your SAP Business One item master changes, OneCart updates Amazon quantities in real time so you never oversell or show out of stock items as available.
Each Amazon order posts back to SAP as a sales order or A/R document with business partner and line item detail, so finance works from clean ERP data.
OneCart supports Amazon US, Canada, Mexico, Brazil, the UK and EU, plus Singapore, Australia, and Japan, all feeding the same SAP company.
Connect SAP Business One: authorize OneCart to SAP Business One through the Service Layer. OneCart reads your item master and warehouse stock so SAP stays the source of truth.
Connect Amazon: start adding an Amazon shop in OneCart and pick your region. OneCart supports Amazon US, Canada, Mexico, Brazil, the UK and EU, plus Singapore, Australia, and Japan. You approve access in Amazon Seller Central, and OneCart imports your orders.
Map SAP items to your Amazon listings, then enable real-time inventory sync and order writeback. Stock flows from SAP to Amazon, and Amazon orders create sales documents in SAP Business One.
When your SAP Business One item master changes, OneCart updates Amazon quantities in real time so you never oversell or show out of stock items as available.
Each Amazon order posts back to SAP as a sales order or A/R document with business partner and line item detail, so your finance team works from clean ERP data.
Everything you need to know about connecting Amazon and SAP Business One with OneCart.
Yes. OneCart connects to SAP Business One through the Service Layer, syncs inventory to Amazon in real time, and writes Amazon orders back into SAP as sales documents.
OneCart supports Amazon US, Canada, Mexico, Brazil, the UK and EU, plus Singapore, Australia, and Japan. Orders from each marketplace flow back into SAP Business One.
OneCart connects to SAP Business One through the Service Layer, reads your item master and warehouse stock, and writes Amazon orders back as sales documents.
OneCart has plans for sellers at different order and SKU volumes. You can compare plans and what each includes at /pricing/.
Here's what businesses like yours have achieved by connecting their ERP to e-commerce.
"OneCart didn't just fix our operations—it gave me my sanity back. After struggling with platforms that broke everything, I finally found a system that's reliable, affordable, and backed by real support."

"OneCart saved our business during the pandemic. Stock automatically syncs between platforms and I can manage everything remotely. We've cut inventory discrepancies by 100%."

"Order processing that used to take 3 hours now takes just 20 minutes with OneCart. Our warehouse efficiency increased 400%."

"The OneCart team's support is outstanding. We've increased sales by 47% with no additional staff since connecting our platforms."






Your SAP Business One system holds your master product data. OneCart lets you push your entire catalog—SKUs, descriptions, pricing, images—directly to Amazon without re-entering anything.
"We launched on Amazon in one afternoon. What would have taken weeks of manual entry took hours with OneCart."
Your SAP Business One is the source of truth for inventory. OneCart continuously syncs stock levels to Amazon, so you never oversell or show out-of-stock items as available.
When inventory changes in SAP Business One—from sales, returns, or receiving—Amazon updates automatically.
"Since connecting our ERP to our channels, we've eliminated the overselling issues that used to cost us thousands monthly."
When a customer orders on Amazon, OneCart writes the order directly into SAP Business One. No manual entry, no CSV imports, no reconciliation headaches.
Your finance team gets accurate revenue data. Your warehouse gets pick lists. Your ERP stays the single source of truth.
"Order processing that took 3 hours now takes 20 minutes. Our accounting team finally has real-time visibility."
See how much you could save by connecting SAP Business One to Amazon.
The all-in-one ERP-to-e-commerce solution for growing businesses.
SAP Business One remains your master system. All data flows from ERP to channels, keeping everything consistent.
Inventory pushes out, orders flow back. Your ERP and Amazon stay perfectly synchronized.
Orders auto-post to SAP Business One. Revenue, costs, and inventory valuations are always accurate.
Add channels, handle 10X orders—without hiring data entry staff. OneCart scales with you.
Our team understands SAP Business One integrations. Get help from people who know your systems.
A quick call to scope your SAP Business One setup
Common questions about connecting your ERP to e-commerce.
OneCart connects to SAP Business One via API and monitors inventory changes. When stock levels change in your ERP—from sales, receipts, or adjustments—we automatically push the updated quantities to Amazon. This happens in near real-time, preventing overselling.
When an order is placed on Amazon, OneCart captures it and creates the corresponding sales order in SAP Business One. Customer details, line items, pricing, and shipping info all transfer automatically. Your warehouse and finance teams see orders in their familiar ERP interface.
Basic setup takes 1-2 hours for standard configurations. Connect your SAP Business One account, connect Amazon, map your products, and you're syncing. Complex setups with custom fields or multi-subsidiary configurations may take longer—our team provides guided onboarding.
Yes. OneCart supports multi-subsidiary and multi-location setups. You can map specific warehouses to specific channels, route orders to the right subsidiary, and maintain separate inventory pools—all while keeping everything synchronized.
OneCart connects SAP Business One to 15+ sales channels including Shopee, Lazada, Amazon, Shopify, TikTok Shop, and more. Manage all your channels from one dashboard, with inventory syncing across all of them from your single ERP source of truth.
Most merchants are up and running the same day.
Link your SAP Business One account to OneCart using our secure API connection. We'll import your products and inventory.
Time: 30 minutes
Authorize your Amazon store. Map products between systems and configure sync settings.
Time: 15 minutes
Enable sync and watch your systems work together. Inventory flows out, orders flow back—automatically.
Time: Immediate
Our team guides your SAP Business One setup end to end.
Book a DemoJoin 1,000+ merchants who have automated their ERP-to-e-commerce operations with OneCart.
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