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reaction — Mailchimp Open Commerce is an API-first, headless e-commerce | Sourcevana

HomeE-Commerce & Storefrontsreaction

reaction

by reactioncommerce

Mailchimp Open Commerce is an API-first, headless e-commerce platform.

JavaScript12.4K+1 this week2.2KUpdated 27d ago

Featured

Quick Overview

What is this?

This platform offers an API-first, headless commerce solution built with Node.js, MongoDB, and GraphQL. It's deployable via Docker and Kubernetes, enabling rapid development for online stores. Choose this for its composable architecture and proven scalability, powering sites handling thousands of daily orders.

What problem does it solve?

Mailchimp Open Commerce is an API-first, headless e-commerce platform.

Who should use it?

E-commerce developers needing a flexible, API-driven backend for custom storefronts.

Setup difficulty:Medium

Pros

Composable plugin system allows custom integrations.
Scalable to handle significant order volumes.
Flexible product and inventory management.

Cons

Project has been discontinued by its maintainers.
Local setup can be complex due to multiple dependencies.

Scores

Trust Score

70

Star reputation (15%)82

Star velocity 7d (15%)1

Commit recency (15%)80

Fork ratio (10%)59

Issue ratio (10%)92

Contributor signal (10%)100

README quality (5%)100

License (5%)100

Homepage/demo (5%)100

Docs URL (5%)0

Topic count (5%)100

Maintenance

88

Commit frequency95

Issue management50

Documentation85

Popularity

60

Stars100

Forks100

Growth trend40

Star History

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Community Reviews

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README

Mailchimp Open Commerce (formerly Reaction Commerce)

Open Commerce Website | Twitter | Documentation | Discord | Discussions

Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, MongoDB, and GraphQL. It plays nicely with npm, Docker and Kubernetes.

MOC Admin

Features

Fast	Returns data in split seconds, and faster queries mean faster web pages
Proven	Open Commerce fuels sites doing 10's of thousands of orders per day with 100's of thousands of products
Composable	A flexible plugin system allows you to pick and choose which integrations work best for you
Multi-tenant	Host multiple shops in the same installation
Scalable	Start out with a single server and scale up to hundreds
Flexible Products	Allows Products, with options and variants to fit a wide variety of needs
Inventory	Track inventory, allow or disallow backorders and more
Shipping	Integrate with a shipping rate provider or build your own custom table
Taxes	Integrate with a tax rate provider or build your own custom tax table
Fulfillment	Flexible fulfillment system allows you create your own fulfillment methods

Trust Score

70

Sourcevana Trust · 70/100

License

GPL-3.0

Primary Language

JavaScript

Topics

cart commerce docker e-commerce ecommerce ecommerce-platform graphql hacktoberfest headless javascript marketplace mongodb+11 more

AddedMar 29, 2026

UpdatedMar 29, 2026

Last commit27d ago

Browse more in E-Commerce & Storefronts View all repos by reactioncommerce

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