eBay Sell APIs

eBay Integration for Cross-Border Sellers

We connect your store to eBay over the official Sell APIs — listings, orders and inventory in sync across markets. One flat fee, no commission on your sales.

Start Your eBay IntegrationFrom ₹10,000 setup + ₹5,000/month · no transaction fees

How We Integrate eBay With Your Store

eBay is one of the few marketplaces that gives sellers genuinely mature, well-documented REST APIs. The Sell suite — Inventory, Fulfillment, Marketing and Account APIs — lets you create listings, manage orders, sync stock and run promotions programmatically instead of clicking through Seller Hub. AppsyOne builds custom integrations on these official Sell APIs and plugs eBay straight into your appsy.one store, so your catalogue, prices and inventory flow both ways automatically rather than being re-keyed by hand.

For Indian sellers, eBay is above all a cross-border channel: list once and reach buyers across the US, UK, Europe and beyond. That means multi-currency pricing, export-ready shipping and item specifics that match each site's requirements. We handle the Inventory API's offer-and-SKU model so a single product in your store maps cleanly to eBay listings, and we pull orders back through the Fulfillment API with tracking pushed on dispatch — the whole loop wired to how your business actually operates.

Cross-border buyers judge you on feedback before they ever click Buy, so accurate item specifics, honest handling times and clean tracking aren't optional — they protect the rating that wins international sales. We build that discipline into a pipeline you pay for once, as a flat fee, with no cut of your payouts. Multi-currency proceeds from the US, UK and EU settle back and reconcile to your accounts, and eBay runs from the same catalogue as your store, ERP and shipping.

Smiling online seller holding a stack of kraft shipping boxes marked Thank You
Sell once, ship worldwide from one catalogueImage: pockethifi via Openverse (CC BY 2.0) · CC BY

eBay 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.

Consideration
Custom build (us)
SaaS aggregator
Listing to one eBay site, a few SKUs
Overkill for a handful of plain listings on a single site with no store or ERP to sync back to.
ChannelEngine or CedCommerce puts those listings live faster, and for that scope we'll point you there.
Item specifics that pass each site's rules
We map the required item specifics, categories and handling times per eBay site so listings publish clean and hold their rank.
Fixed templates miss site-specific required specifics, so listings get blocked or buried until you patch them by hand.
Multi-currency payouts and reconciliation
US, UK and EU payouts reconcile to your books on their own, matched to orders and fees across each currency.
Aggregators usually stop at the listing; cross-currency payout reconciliation is a premium tier or simply missing.
Protecting feedback as volume grows
Tracking pushes on dispatch and stock stays honest, so late-ship and out-of-stock defects don't dent your rating — all under one flat fee.
Monthly fees and order caps rise with success, and slow syncs risk the oversells that trigger feedback damage.

What We Sync With eBay

Every system your orders, stock and money already flow through — connected.

eBay Sell APIs (Inventory, Fulfillment, Marketing, Account)Shopify / WooCommerce storeERP / Tally / accountingMulti-currency pricingShipStation / ShippoGST & cross-border taxInventory sync webhooksPayment & payout reconciliationItem-specifics mappingOrder tracking sync
Stacked cardboard boxes packed and ready by a bright window
Shared inventory keeps every channel in syncImage: naiaraback1 via Openverse (CC BY 2.0) · CC BY
Open kraft cardboard shipping box on a white surface, ready to pack an order
Orders flow back to be packed and trackedImage: rosariorosser via Openverse (CC BY 2.0) · CC BY

Official eBay Resources

Straight from the source — eBay’s own seller programme and developer documentation, the same primary references we build against.

Simple, Flat Integration Pricing

A one-time setup fee to build and go live, then a fixed monthly price. Pricing scales only with the number of integrations — never with your sales.

No transaction fees · No % of sales · Custom-built on the official APIs

Starter

Get live on a single marketplace, synced to your store.

₹5,000per month

+ ₹10,000 one-time setup

1 marketplace integration
Get Started
  • 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
  • No transaction fees · no % of sales
Most Popular

Growth

Sell across several marketplaces from one source of truth.

₹25,000per month

+ ₹50,000 one-time setup

Up to 3 marketplace integrations
Get Started
  • 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 on the official APIs — no transaction fees, ever

Pro

Full omnichannel: marketplaces + ERP/accounting + analytics.

₹35,000per month

+ ₹75,000 one-time setup

Up to 5 marketplace integrations
Get Started
  • 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 monthly fee — no per-order, per-lead or GMV-based charges

The setup fee covers the build, marketplace API onboarding, catalog mapping, testing and go-live. The monthly fee covers hosting, API changes, monitoring and support.

Beyond integrations

We build the complete application — integrations included

Most clients need more than a connector. We build the full product — your storefront, seller portal, admin dashboard, mobile app or internal ERP — and wire the marketplace integrations into it as part of the same build. One team, one codebase, one point of accountability.

  • Custom web & mobile applications
  • Seller / vendor portals & dashboards
  • ERP, CRM, Tally & accounting bridges
  • Warehouse, inventory & order management
  • Payment, logistics & shipping APIs
  • Workflow automation and AI features

Full custom builds are scoped and quoted to your requirement — not packaged into the plans above.

Get a custom quote

Need more than 5 marketplaces, a bespoke ERP bridge or a custom seller portal? Same conversation.

eBay Integration — Questions Sellers Ask

Common questions about our ebay integration solutions.

Ready to sell on eBay?

Tell us which marketplaces you sell on. Flat setup fee, flat monthly — no commission on your sales, ever. Need the full application built around it? We do that too.

Get a Free Consultation