Commerce Layer vs Sylius

Commerce Layer is a hosted transactional commerce API for brands making digital experiences shoppable across online and in-store channels. Its checkout supports multiple markets and currencies and can connect with payment gateways and tax calculators. A distributed order management system provides a unified inventory view across locations and automates order steps from reservation through shipping. Teams can configure market-specific promotions with a visual editor or JSON-based DSL. Its point-of-sale system uses the same API as online channels and supports store inventory, endless aisle, and shareable selling links. Commerce Layer lists 400+ API endpoints and real-time webhooks with 100+ trigger events. The homepage states an average API response time below 90 ms and guaranteed uptime of 99.99%. Listed security credentials include SOC 2 Type 2, PCI DSS Level 1 Provider, and ISO 27001 certifications; OAuth 2.0 and resource-level permissions govern API access. Third-party integrations include a documented Zapier app. The Developer plan provides 100 free live orders per month and unlimited test orders; Enterprise orders are custom quoted. There is no trial period, and on-premise deployment is not offered.

Sylius is an open-source headless eCommerce platform for mid-market and enterprise brands building custom commerce solutions. Its framework supports B2C and B2B use cases and provides a customizable REST API built with API Platform for headless frontends and microservice architectures. Sylius Standard is a Symfony application with Sylius core as a dependency; it can be installed with Composer or Docker and run on a standard VPS. Docker and Kubernetes are also deployment options for cloud environments. The Addons marketplace lists plugins and third-party integrations. Sylius Plus adds commercial modules such as advanced multi-store, returns management, multi-source inventory, loyalty, partial shipment and request for quotation. Standard is offered under the MIT license with community support and no response-time guarantee; Plus lists SLA-backed support with a one-day response time. Standard has no native quotation process, so customers cannot start price inquiries online. No Standard price is listed. Sylius Plus starts from €800 per year.