Shopify Admin & Storefront GraphQL API

Shopify Marketplace Integration, Beyond the App Store

We sync your Shopify store to every marketplace over the Admin and Storefront APIs — one catalog, one inventory count, all orders in one place. Flat fee, you own it.

Start Your Shopify IntegrationFrom ₹5,000 · no transaction fees

How We Integrate Shopify With Your Store

Shopify already runs your storefront, catalogue and checkout beautifully, but selling on Amazon, Flipkart, Meesho or eBay means pushing that same catalogue outward and keeping every channel honest. AppsyOne builds custom sync on Shopify's official Admin API and Storefront API (both GraphQL) so your store becomes the single source of truth. Products, variants, prices, inventory and orders flow between Shopify and each marketplace automatically, instead of your team re-keying listings across half a dozen seller dashboards.

Shopify App Store connectors get plenty of stores selling on day one, and when your catalogue is genuinely simple we'll say so plainly. The wall shows up later: metafield-driven attributes, bundle and kit SKUs, marketplace-specific price books or an ERP feeding the storefront. We map Shopify products to each marketplace the way you actually model them, push listing and price changes through the Admin GraphQL API, and receive orders on webhooks so nothing is polled blindly or silently dropped. Your logic lives in code you control, not on a connector's settings screen.

Own the pipeline outright and the App Store's monthly meter simply stops: no recurring subscription, no per-order skim, no slice of GMV. One flat build fee settles it and the code is yours, metafield mappings and all. From there your single Shopify catalogue fans out to Amazon, Flipkart, Meesho or eBay while staying wired into inventory, GST, Shiprocket or ShipStation and Tally — so a headless Hydrogen front end and five marketplaces all read from the same source of truth instead of separate silos you police by hand.

Miniature metal shopping cart on a white desk beside an open laptop
One Shopify catalogue, every marketplace channelImage: Shixart1985 via Openverse · CC BY

Shopify 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
One catalogue, one marketplace, no metafields in play
Commissioning a bespoke pipeline is more than you need when a flat set of SKUs goes to a single channel with no bundle or ERP logic.
An App Store connector such as Codisto or CedCommerce installs in minutes and covers this cleanly — we'll point you straight at it.
Bundles, kits & metafield-driven variants
We read your Shopify metafields and bundle logic directly, mapping each variant to how Amazon, Flipkart or eBay expect it — nothing flattened.
App Store connectors template your catalogue into their own schema, so metafields get ignored and bundle SKUs list wrong or not at all.
Headless Hydrogen storefront feeding many channels
We treat the Admin GraphQL API as the hub, so a Hydrogen front end and every marketplace listing draw from one catalogue and one stock number.
Most channel apps assume the standard Online Store theme and get shaky the moment your storefront is headless or custom-built on Hydrogen.
The bill as marketplaces and order volume climb
One flat fee settled up front — adding a fourth or fifth marketplace, or a record sales month, never moves the number.
Tiered app plans meter you on orders, SKUs or channels, so every good month and every new marketplace nudges the invoice up.

What We Sync With Shopify

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

Shopify Admin API (GraphQL)Shopify Storefront APIAmazon SP-APIFlipkart Seller APIeBay Sell APIMeesho / other marketplacesERP / TallyGST tax & HSN mappingShiprocket / ShipStationInventory sync webhooks
Laptop and tablet on a wooden desk showing an online store website dashboard, with a notebook and coffee cup nearby
Manage listings and orders from one source of truth
Warehouse aisle lined with stacked cardboard boxes on shelving
Shared inventory keeps every channel in sync

Official Shopify Resources

Straight from the source — Shopify’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.

No transaction fees · No % of sales · No monthly lock-in · You own it

Starter

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

₹5,000one-time, flat
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 — you own the code
  • No transaction fees · no % of sales · no monthly lock-in
Most Popular

Growth

Sell across several marketplaces from one source of truth.

₹25,000one-time, flat
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 & owned — no transaction fees, ever

Pro

Full omnichannel: marketplaces + ERP/accounting + analytics.

₹35,000one-time, flat
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 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.

Shopify Integration — Questions Sellers Ask

Common questions about our shopify integration solutions.

More Store Platforms Integrations

We connect your store to every major channel — pick another to sync.

Ready to sell on Shopify?

Tell us which marketplaces you sell on. We'll build the integration on a flat, one-time fee — no commission on your sales, ever.

Get a Free Consultation