---
title: "Commerce Modules "
url: https://medusajs.com/modules
last_updated: 2025-09-19T11:19:15Z
---

# Commerce Modules 

### Commerce Modules
that fit any use case

Decoupled commerce modules you can adopt incrementally
or replace with your own custom systems.

Pre-built commerce logic in composable modules. Adopt incrementally, compose as you want.

#### Modules covering all commerce domains

Commerce Modules

#### Cart & Purchase

Checkout, total calculations, and more

##### Cart

Add to cart, checkout, and totals

##### Payment

Process any payment type

##### Customer

B2C and B2B customer accounts

#### Merchandising

Products, pricing, and promotions

##### Pricing

Configurable pricing engine

##### Promotion

Discounts and promotions

##### Product

Variants, categories, and bulk edits

#### Order Management

OMS, fulfillment, and inventory

##### Order

Omnichannel order management

##### Inventory

Multi-warehouse and reservations

##### Fulfillment

Order fulfillment and shipping

##### Stock Location

Inventory location management

#### Regions & Channels

Multi-region and omnichannel support

##### Currency

Multi-currency support

##### Sales Channel

Omnichannel sales

##### Region

Cross-border commerce

##### Tax

Granular tax control

#### User access

API keys and authentication

##### API Keys

Store and admin access

##### User Module

Admin user management

##### Auth

Authentication methods

[Start now](https://cloud.medusajs.com/signup)

#### Ready to build your
custom commerce setup?