Medusa.js is an open-source, headless commerce framework used to build customizable ecommerce backends, storefronts, checkout systems, product catalogs, pricing workflows, and integrations.

Medusa.js gives development teams greater control over the commerce backend, frontend, business logic, infrastructure, and integrations. It can be particularly useful when standard platform functionality does not meet complex requirements.

Yes. Medusa.js works well with separate frontend applications, and Next.js can be used to create the storefront layer while Medusa manages commerce functionality.

Yes. Medusa.js can be used for migrations from platforms such as Shopify, WooCommerce, and Magento, although the exact migration scope depends on the existing catalog, customers, orders, integrations, and business workflows.

Yes. Its customizable architecture can support B2B requirements such as custom pricing, customer-specific catalogs, approval workflows, multiple sales channels, and ERP integrations.