How We Integrate Amazon With Your Store
Selling on Amazon.in and global marketplaces means living inside the Selling Partner API (SP-API) — Amazon's official, well-documented REST platform for orders, listings, inventory, FBA and settlement reports. AppsyOne builds a custom bridge between your own store and SP-API so orders drop straight into your systems, stock stays accurate, and you stop copy-pasting between Seller Central and a spreadsheet. It plugs directly into a custom appsy.one ecommerce solution rather than a rented dashboard.
Off-the-shelf aggregators can get you started, but their generic field mapping breaks down once your catalogue has variants, bundles, HSN codes and marketplace-specific pricing rules. We map your SKUs to Amazon ASINs the way your business actually works, push listings and price updates through the Listings and Product Pricing APIs, and pull orders and FBA fulfilment status back on a schedule you control. The logic lives in your integration, not behind someone else's paywall.
On Amazon your listing wins or loses at the ASIN level, so every SKU has to carry the right GTIN, condition and a Buy Box-eligible price before it can compete for the sale. We wire that logic into a build you own for a single flat fee — no slice of each Buy Box win, no per-order toll. Settlement reports from Seller Central reconcile against your books on their own, FBA and self-shipped FBM units stay counted apart, and Amazon reports up into the same stack your team already runs.

Amazon Custom Integration vs a SaaS Aggregator
When a plug-and-play tool is the smart call — and when a custom build you own pays off.
What We Sync With Amazon
Every system your orders, stock and money already flow through — connected.


Official Amazon Resources
Straight from the source — Amazon’s own seller programme and developer documentation, the same primary references we build against.
Simple, Flat Integration Pricing
Custom-built marketplace integrations at a fixed one-time price. Pricing scales only with the number of integrations — never with your sales.
Starter
Get live on a single marketplace, synced to your store.
- Connect your store to any 1 portal (Amazon, Flipkart, Meesho…)
- Product catalog upload & mapping to the marketplace
- Order sync into your store / dashboard
- Inventory (stock count) sync one way
- Custom-built on the official API — you own the code
- No transaction fees · no % of sales · no monthly lock-in
Growth
Sell across several marketplaces from one source of truth.
- Everything in Starter, across up to 3 marketplaces
- Single source-of-truth inventory — never oversell across channels
- Unified order dashboard for all connected marketplaces
- Two-way stock & price sync
- Returns / RTO status pulled back into your store
- Custom-built & owned — no transaction fees, ever
Pro
Full omnichannel: marketplaces + ERP/accounting + analytics.
- Everything in Growth, across up to 5 marketplaces
- ERP / Tally / accounting sync (orders & invoices flow back)
- Custom seller analytics — RTO %, commission-adjusted margins
- Retry + error handling so nothing is lost when an API is down
- Priority support & handover documentation
- One flat fee — no per-order, per-lead or GMV-based charges
Need more than 5 marketplaces, a bespoke ERP bridge, or a custom seller portal? Talk to us for a custom quote.
Amazon Integration — Questions Sellers Ask
Common questions about our amazon integration solutions.
More India Marketplaces Integrations
We connect your store to every major channel — pick another to sync.