Headless ecommerce without limits

Swell is a future-proof commerce backend for developers to easily create unique, performant shopping experiences with the latest frontend technologies.

Powerful built-in features

Complex product modelling


Unlimited products and variants


Bulk discounts

Multiple coupons and promotions

Subscription products


Account-based pricing

Physical, virtual, and bundle products

JAMstack ready

Deliver seamless web experiences with the latest and greatest frontend technologies, using our vanilla JavaScript SDK with all the other tools and services you love.


Take full control with our backend and storefront APIs. Swell provides the flexiblity you need to build, customize, and maintain your store without a mountain of third-party applications.

Backend API

Use custom business logic

Full control over data models

Node.js SDK with built-in caching

Full CRUD capabilities for all models

Storefront API

Vanilla JavaScript SDK

Perfect for JAMstack storefronts

Customize checkout flows

Fetch products, settings, menus, and content

Prebuilt headless storefronts

Full stack JavaScript apps designed for different business models, fully integrated with our visual editor. They enable non-technical users to start selling right away, or serve as starting point to build more customized solutions.

  • Use as a base for implementing custom functionality
  • Built-in helpers for state management, data fetching, and handling editor settings
  • Host with Swell or your preferred JAMstack hosting service

Custom models and fields

Custom data models

Extend Swell's standard models and create your own via API or the dashboard editor.

  • View standard data models and add custom fields
  • Create new content models with nested field structures
  • View the JSON representation of any model

Custom fields

Model content and business data together.

  • 10+ field types, including relational and collection fields
  • Supports localized content for text fields
  • Set validation rules for the field like required, unique, and character count limits

Put fields (almost) anywhere

Once you've added fields to standard models, you can edit them with the rest of your data.

  • Preview and tweak the field's input interface
  • Assign locations in the dashboard to display custom fields for admins to edit
  • Add custom fields to standard models like orders, customers, products, and more

Model explorer

A new visualization tool that enables you to get the most out of Swell's data models.

  • View, organize, and interact with your data models
  • Search for models, fields, and relationships (edges) between models
  • Click on an object or field to see a JSON representation
  • Displays standard and custom models