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Sylius

Headless eCommerce framework built on Symfony for limitless customization

Sylius delivers a high‑quality, test‑driven eCommerce platform on Symfony, offering a powerful REST API, BDD workflow, and modular extensions for tailored online stores.

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Overview

Highlights

Powerful REST API for headless commerce
Full‑stack BDD workflow with PHPUnit & Behat
Modular architecture with an extensive plugin marketplace
Optional Sylius Plus modules for advanced business needs

Pros

  • High code quality and strong testing culture
  • Deep integration with Symfony and PHP ecosystem
  • Flexible, API‑first design for any front‑end
  • Active community and professional support options

Considerations

  • Steeper learning curve for developers new to Symfony
  • Requires Composer and a PHP runtime environment
  • Core is headless; UI must be built or integrated separately
  • Advanced Plus features need a commercial license

Managed products teams compare with

When teams consider Sylius, these hosted platforms usually appear on the same shortlist.

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Enterprise e-commerce platform (formerly Magento Commerce) for building customizable online storefronts with rich features

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BigCommerce

Cloud-based SaaS e-commerce platform for creating and scaling online stores across B2C and B2B

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commercetools

Headless commerce platform (MACH) for building custom storefronts

Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.

Fit guide

Great for

  • Teams building bespoke eCommerce experiences
  • Enterprises needing multi‑store or B2B capabilities
  • Developers who prefer test‑driven development workflows
  • Projects that require an API‑first architecture

Not ideal when

  • Small shops looking for an out‑of‑the‑box storefront only
  • Teams without PHP/Symfony expertise
  • Projects with limited budget for Plus modules
  • Rapid MVPs that prioritize speed over deep customization

How teams use it

Custom B2B marketplace

Launch a multi‑vendor platform with role‑based pricing, inventory segregation, and complex order workflows using Sylius core and Plus B2B suite.

Headless mobile commerce

Expose product catalog and checkout via the REST API to power native iOS/Android apps with seamless user experience.

International multi‑store operation

Manage separate storefronts, currencies, and tax rules from a single backend, leveraging Sylius’s multi‑store support.

Loyalty and rewards program

Implement a points‑based loyalty system using Sylius Plus modules, increasing repeat purchases and customer engagement.

Tech snapshot

PHP84%
Gherkin11%
Twig4%
SCSS1%
JavaScript1%
Dockerfile1%

Tags

restful-apisymfonyapi-ecommerceheadlessrest-apishopecommercehacktoberfestframeworksymfony-bundleheadless-ecommercephpshopping-cartapiecommerce-platformsylius

Frequently asked questions

What language and framework does Sylius use?

Sylius is built with PHP on top of the Symfony framework and follows API Platform conventions.

Is there a ready‑made storefront?

Sylius provides a headless core; a basic storefront is available, but most projects build a custom UI or use community themes.

How is testing handled?

The project adopts full‑stack Behavior‑Driven Development using PHPUnit for unit tests and Behat for acceptance tests.

Can I extend functionality?

Yes, Sylius offers a plugin marketplace and supports custom bundles; extensions are discoverable on Packagist with the `sylius-plugin` tag.

What licensing applies?

The core platform is released under the MIT License; additional Sylius Plus modules require a commercial license.

Project at a glance

Active
Stars
8,396
Watchers
8,396
Forks
2,157
LicenseMIT
Repo age14 years old
Last commit14 hours ago
Primary languagePHP

Last synced 3 hours ago