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iQsolutions

Digital Experience and Product Engineering

Headless Commerce

Headless commerce on platforms such as Shopify Hydrogen, commercetools and Medusa: composable storefronts, checkout, catalog and integrations with ERP and fulfillment.

Overview

Commerce teams outgrow templated storefronts when the business needs something a template cannot express: B2B pricing, configurable products, marketplace models, multi-region catalogs or experiences that blend content and commerce. Headless architecture separates the storefront from the commerce engine so each can change on its own terms.

We engineer headless commerce on Shopify Hydrogen, commercetools, Medusa and similar platforms, building fast storefronts and integrating catalog, pricing, inventory, payments, ERP and fulfillment. We also say when headless is not yet warranted, because its flexibility carries real operating cost.

Business applications

  1. 01

    Content-rich storefronts

    Combine editorial content from a headless CMS with product data and checkout, delivering storefronts where storytelling and buying sit together in one fast, accessible experience.

  2. 02

    B2B commerce portals

    Support account hierarchies, negotiated pricing, quotes, purchase approvals and reorder workflows for business buyers, integrated with ERP as the source of truth for pricing, credit limits and order status.

  3. 03

    Multi-region and multi-brand commerce

    Run several brands, currencies, languages and tax regimes from a shared commerce core, with localized storefronts and catalogs managed through one consistent operating process for merchandising teams.

  4. 04

    Marketplace and composable extensions

    Add capabilities such as marketplaces, subscriptions, product configurators or loyalty through composable services, integrating them cleanly with the commerce engine rather than forking or heavily customizing the platform.

Engineering approach

  1. 01

    Assess commerce requirements

    We document catalog complexity, pricing rules, channels, order volumes and integration needs, then determine whether headless is justified or a native platform theme is sufficient.

  2. 02

    Select the commerce engine

    Shopify with Hydrogen, commercetools, Medusa and alternatives are compared on data model fit, extensibility, operating model, licensing and the skills required to run them.

  3. 03

    Design the composable architecture

    We define how commerce, CMS, search, payments, tax, order management and ERP connect, which system owns each data domain, and how events keep them synchronized.

  4. 04

    Build storefront and checkout

    Storefronts are engineered for Core Web Vitals, accessibility and conversion-critical flows, with checkout relying on the platform's PCI-compliant payment components rather than custom card handling.

  5. 05

    Launch and optimize

    Cutover is rehearsed with data migration, redirects and load testing, followed by monitoring and structured experimentation once real customer behavior is visible.

Technologies and platforms

Commerce engines

  • Shopify Hydrogen
  • Shopify Storefront API
  • commercetools
  • Medusa
  • BigCommerce

Storefront

  • Next.js
  • React Router
  • React
  • TypeScript
  • Vercel

Search, content and payments

  • Algolia
  • Sanity
  • Contentful
  • Stripe
  • Adyen

Integration and operations

  • Avalara
  • Klaviyo
  • GraphQL
  • Webhooks
  • Datadog

Technology names are trademarks of their respective owners and do not imply partnership or endorsement.

What you receive

  • Commerce requirements and build-versus-configure assessment
  • Composable architecture with a data ownership map
  • Headless storefront with accessible product, cart and checkout flows
  • Integrations with ERP, payments, tax and fulfillment systems
  • Catalog and customer data migration with validation
  • Launch runbook, performance baseline and monitoring setup

Questions leaders ask

Is headless commerce right for every business?

No. Headless adds flexibility but also more systems to integrate, host and maintain. For many merchants, a well-configured native storefront is the better choice. Headless tends to pay off when content, B2B complexity, multiple channels or performance requirements exceed what themes support comfortably.

How do you handle payment security?

We avoid handling raw card data in custom code. Checkout uses the commerce platform's hosted or embedded payment components and providers such as Stripe or Adyen, which keeps most cardholder data out of your environment and can reduce PCI DSS scope. Your compliance team retains responsibility for the final assessment.

Can we migrate without disrupting current sales?

Migrations are planned to protect revenue: parallel running where possible, rehearsed data migration, preserved URLs and redirects, load testing and a rollback plan. Cutover is scheduled around trading patterns, and orders, payments and errors are monitored closely through launch.

Discuss your Headless Commerce initiative

Share your context and an iQsolutions engineer will respond with considered next steps — no obligation, no automated sales sequence.