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Shopify API Integration | Custom Connectors

Use Shopify Admin GraphQL and webhooks to sync orders, refunds and inventory with your internal stack.

Shopify API integration

What is Shopify?

Shopify exposes a modern Admin GraphQL API, webhooks and an app platform. Rate limits and query cost require deliberate design.

Why integrate?

Shopify excels at storefront experiences while finance and logistics often live elsewhere. Integrations keep margin and delivery promises accurate.

Common use cases

  • Send orders and fulfillments to WMS or 3PL partners
  • Mirror stock from a master catalog
  • Connect loyalty or subscriptions to internal CRM
  • Post tax and export documents to accounting

Technical approach

We register custom or private apps, secure tokens and leverage bulk operations. Webhook HMAC verification is mandatory in our builds.

Investment and timeline

GraphQL cost and webhook throughput drive infrastructure sizing. We scale workers accordingly.

Further reading

API connectionsWooCommerce API Integration | Store ConnectivityMagento / Adobe Commerce API IntegrationShopify vs WooCommerce: Convenience or Full Control?Magento vs Shopify: Full Control or Faster Time to Market?

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Frequently asked questions

Yes, including advanced automation and checkout extensions where relevant.
Development stores plus phased rollout with feature flags.
Yes. We document boundaries so responsibilities stay clear.

Need this integration?

We design reliable API integrations with monitoring and error handling.

Start a project

Related articles

Exact Online API Integration | MG Software

Connect your web app, storefront or portal to Exact Online: sync orders, invoices, stock and ledger data on a schedule or in near real time.

Salesforce API Integration | Custom CRM Connectivity

Connect Salesforce to your portal, warehouse or backend: leads, opportunities, custom objects and events via REST and streaming APIs.

WooCommerce API Integration | Store Connectivity

Connect WooCommerce to ERP, inventory or fulfillment: orders, products and customers via REST and webhooks.

What Is an API? How Application Programming Interfaces Power Modern Software

APIs enable software applications to communicate through standardized protocols and endpoints, powering everything from payment processing and CRM integrations to real-time data exchange between microservices.

From our blog

How We Build System Integrations for Our Clients

Jordan · 8 min read

Custom E-Commerce: When Shopify Is No Longer Enough

Jordan · 7 min read

API-First Development Explained

Jordan · 7 min read

MG Software
MG Software
MG Software.

MG Software builds custom software, websites and AI solutions that help businesses grow.

© 2026 MG Software B.V. All rights reserved.

NavigationServicesPortfolioAbout UsContactBlogCalculator
ServicesCustom developmentSoftware integrationsSoftware redevelopmentApp developmentSEO & discoverabilityAPI integrations
LocationsHaarlemAmsterdamThe HagueEindhovenBredaAmersfoortAll locations
IndustriesLegalEnergyHealthcareE-commerceLogisticsAll industries