Headless Commerce Platforms: Shopify Hydrogen, Medusa, Saleor, BigCommerce, commercetools, Crystallize, Swell, Vendure

⬅️ Frontend Overview

If you're building an e-commerce experience in 2026 that needs custom UI, multi-channel sales, or developer-led flexibility, headless commerce is the path. The category split that matters: SaaS-headless (Shopify Plus / BigCommerce / commercetools — buy the backend; build the frontend) vs. OSS-headless (Medusa / Saleor / Vendure — own the backend; build the frontend). The right pick depends on whether you want managed-backend-with-build-flexibility, OSS-control with full customization, or a Shopify-grade ecosystem with composable architecture. Most indie e-comm in 2026 still picks Shopify (with Hydrogen for headless when needed); mid-market increasingly picks Medusa or Saleor for OSS flexibility; enterprise picks commercetools.

TL;DR Decision Matrix

The first decision is whether you want SaaS-managed-backend or OSS-self-hosted. SaaS (Shopify / BigCommerce / commercetools) reduces ops; OSS (Medusa / Saleor / Vendure) gives full control + cost savings at scale.

Decide What You Need First

Tools are not interchangeable. Pick by control + scale.

SaaS-managed backend, custom frontend (the 50% case)

You sell physical / digital products; want speed-to-market; tolerable to be on hosted backend.

Right tools:

• Shopify Hydrogen — Shopify backend + Remix-based React frontend
• BigCommerce — API-first; less ecosystem than Shopify but flexible
• commercetools — enterprise-only

OSS-headless (the 25% case)

Want full control; in-house ops capacity; long-term cost.

Right tools:

• Medusa — modern Node-based; growing ecosystem
• Saleor — Python + GraphQL
• Vendure — Node + TypeScript
• Reaction Commerce — older OSS

Composable enterprise (the 15% case)

Multi-region; multi-currency; multi-channel; complex catalog; B2B+B2C mix.

Right tools:

• commercetools — gold-standard composable
• Spryker — strong in EU
• Elastic Path — enterprise alternative
• Adobe Commerce — for Adobe-ecosystem shops

Catalog / PIM heavy (the 5% case)

Catalog complexity (10K+ SKUs; rich content) is the dominant problem.

Right tools:

• Crystallize — PIM + commerce in one
• commercetools — comprehensive
• Sanity Commerce — content-led

WordPress-aligned (the 5% case)

Existing WordPress site; want commerce as add-on.

Right tools:

• WooCommerce — the default
• Sanity Commerce with WordPress

Provider Deep-Dives

Shopify Hydrogen — the headless Shopify path

Shopify launched Hydrogen (2021) + Oxygen (2022 hosting) as their headless story. Combined with Storefront API, you can build custom UIs against the Shopify backend.

Pricing in 2026: Shopify backend tiers ($39 Basic / $105 Shopify / $399 Advanced / $2K+ Plus). Hydrogen + Oxygen included on most tiers; Plus required for some advanced features.

Features: Storefront API (GraphQL), Hydrogen (Remix-based React), Oxygen (Vercel-equivalent hosting on Shopify CDN), 8K+ apps in Shopify ecosystem, payments built-in, fulfillment tools, multi-currency, multi-store.

Why Hydrogen wins: biggest e-commerce ecosystem; mature backend; modern React frontend tooling. The 2026 default for e-comm that wants custom UX.

Trade-offs: Hydrogen is Remix-based; if your team uses Next.js, you can use Storefront API directly. Some advanced backend features (B2B, multi-store) require Plus pricing.

Pick if: building custom e-commerce frontend; Shopify-centric. Don't pick if: OSS-committed or enterprise composable need.

BigCommerce — API-first SaaS commerce

Long-standing Shopify alternative. API-first earlier than Shopify.

Pricing in 2026: $39-400+/mo standard tiers; Enterprise custom.

Features: Storefront API, full backend (catalog / orders / customers), B2B Edition, multi-channel, headless options.

Why BigCommerce: more API-first DNA than Shopify; smaller ecosystem; competitive pricing.

Pick if: API-first preference; want Shopify alternative. Don't pick if: starting fresh with no preference (Shopify ecosystem usually wins).

commercetools — enterprise composable

Founded 2006 in Germany. The composable-commerce category leader. Used by enterprise brands (Audi, Lego, Tiffany).

Pricing in 2026: custom; typically $250K-2M+/yr.

Features: composable (mix-and-match); GraphQL; multi-region; multi-currency; B2B + B2C; carts / orders / catalog / discounts as separate APIs.

Why commercetools: enterprise gold-standard for composable. Flexibility unmatched.

Trade-offs: enterprise pricing only; complex setup; needs experienced team.

Pick if: enterprise; multi-region; complex catalog. Don't pick if: under $50M GMV (overkill).

Medusa — modern OSS

Founded 2019. Modular, modern, Node.js-based. Massive growth 2023-2025.

Pricing in 2026: OSS free; Medusa Cloud (paid; managed) tiers.

Features: modular plugins, payments / shipping / tax integrations, admin UI, multi-currency, multi-region, headless API, Stripe / PayPal / Razorpay etc.

Why Medusa wins for OSS: modern Node.js + TypeScript stack; growing community; commercial-friendly; reasonable to run.

Pick if: OSS preference; modern stack; mid-market scale. Don't pick if: prefer managed; enterprise scale.

Saleor — OSS GraphQL native

Polish-origin OSS. Python (Django) backend; GraphQL-first.

Pricing in 2026: OSS free; Saleor Cloud free dev tier; paid prod tiers.

Features: GraphQL API, Django admin, multi-channel, multi-warehouse, B2B support, AI-powered (some).

Why Saleor: GraphQL-native; mature; used by mid-market+.

Pick if: GraphQL-aligned; Python OK; OSS preference. Don't pick if: Node-only stack (Medusa fits better).

Vendure — OSS Node + TypeScript

Modern Node.js-based OSS commerce.

Pricing in 2026: OSS free.

Features: GraphQL API, plugin architecture, multi-channel, mature for Node ecosystem.

Pick if: Node-aligned; OSS; alternative to Medusa.

Crystallize — PIM + commerce

Norwegian. Catalog-heavy focus.

Pricing in 2026: tiers $$$.

Features: PIM (product info management), GraphQL, catalog complexity handled, headless commerce.

Pick if: catalog-heavy / B2B catalog. Don't pick if: simple SKU count.

Swell, Reaction, WooCommerce, Adobe Commerce, Spryker, Elastic Path

Niche / specialty picks:

• Swell — modern API; mid-market
• Reaction Commerce — older OSS; Mailchimp-acquired
• WooCommerce — WordPress-aligned; massive deployed base
• Adobe Commerce (Magento) — enterprise full-stack
• Spryker / Elastic Path — enterprise composable alternatives

What Headless Commerce Won't Do

Buying headless commerce doesn't:

1. Replace product photography / merchandising. Tooling is one layer; visual merchandising is craft.
2. Eliminate fulfillment complexity. Inventory / shipping / returns are operational, not platform.
3. Solve marketing / acquisition. Platform serves stores; you still need to get traffic.
4. Make custom frontend instant. Headless = build your own UI; that's months of frontend work.
5. Replace ERP / OMS. Platform handles cart + orders; ERP / OMS for inventory + supply chain.

The honest framing: headless commerce is a backend + API layer. Frontend, marketing, ops are still your work.

Pragmatic Stack Patterns

Pattern 1: Indie / SMB e-comm ($39-100/mo)

• Shopify Basic with default storefront
• Add Hydrogen later if customization warrants
• Apps from ecosystem
• Total: $39-100/mo

Pattern 2: Custom-frontend Shopify ($300-2000/mo)

• Shopify Plus ($2K+/mo)
• Hydrogen + Oxygen for frontend
• Storefront API
• Custom design

Pattern 3: OSS modern stack ($0-500/mo)

• Medusa self-hosted on AWS / Railway
• Custom React/Next frontend
• Stripe / Postgres
• Total: $0-500/mo + ops

Pattern 4: Mid-market scale ($1-10K/mo)

• commercetools OR BigCommerce depending on enterprise gates
• Custom Next.js frontend
• Algolia / Typesense for search
• Custom admin tools

Pattern 5: Enterprise composable ($$$+)

• commercetools OR Spryker
• Algolia for search
• Sanity / Contentful for content
• Talon.One for promotions
• Cloudinary for assets
• Custom system integrator team

Pattern 6: WordPress + commerce

• WooCommerce plugin
• WordPress hosting (Cloudways / Kinsta / WP Engine)
• Total: $50-500/mo at scale

Decision Framework: Three Questions

1. What's your scale?

   • <$1M GMV → Shopify or WooCommerce
   • $1-10M GMV → Shopify Plus / BigCommerce / Medusa
   • $10-100M GMV → Medusa Enterprise / commercetools / Saleor
   • $100M+ → commercetools / Spryker / Adobe

2. OSS or SaaS?

   • SaaS preference → Shopify / BigCommerce / commercetools
   • OSS preference → Medusa / Saleor / Vendure

3. Frontend stack?

   • React/Next.js → Shopify Storefront API + Next.js OR Medusa
   • Remix → Hydrogen
   • Other (Vue/Svelte) → any with API access

Verdict

For 50% of e-commerce in 2026: Shopify (with Hydrogen for headless). Biggest ecosystem; mature backend; managed; ships fast.

For 25%: Medusa for OSS-modern teams.

For 10%: BigCommerce as Shopify alternative.

For 8%: commercetools for enterprise composable.

For 5%: Saleor for GraphQL/Python preference.

For 2%: WooCommerce for WordPress-aligned shops.

The mistake to avoid: building OSS commerce when "I just want to sell". Self-hosting Medusa is hours of ops weekly. If e-commerce isn't your core differentiator, Shopify saves the time.

The second mistake: paying for commercetools at $5M GMV. Enterprise composable is for $50M+ where complexity warrants. Below that: Medusa or Shopify Plus.

See Also

• CMS Providers — content companion
• Marketing Site Builders — adjacent build-tools
• Form Builders — checkout-adjacent
• Frontend Frameworks — build the frontend
• Next.js — common frontend
• Stripe — payments
• Subscription Billing Providers — recurring billing
• Search Providers — product search
• Image CDN Providers — product images
• Customer Data Platforms — commerce data
• VibeWeek: Real-time Collaboration — adjacent
• LaunchWeek: Pricing Strategy — pricing decisions
• LaunchWeek: Pricing Page — UI for pricing