A transactional commerce backend for catalog, inventory, carts and orders.

Create products, manage stock, build a shopping cart and convert it into a validated order while inventory updates safely inside a database transaction.

Production API connectedTypeScript · Express · Neon PostgreSQL

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01Catalog and inventory CRUD

Create products, control status and adjust available inventory through validated REST endpoints.

02Cart-to-order workflow

Create carts, add items, validate quantities and convert the cart into a stored customer order.

03Transactional consistency

Order creation locks inventory, writes order items and updates stock as one database transaction.

Public Product Lab workspaceActions use the production API and PostgreSQL database. Do not enter confidential, financial or personally sensitive information in this shared environment.

Project enquiry

Interested in CommerceAPI

Share the product goal, required features, timeline and budget. The enquiry is collected through Google Forms.