Trunk

Overview

Trunk is a centralized inventory management engine that provides real-time stock synchronization for multi-channel e-commerce sellers. It prevents overselling by instantly updating inventory levels across platforms like Etsy, Shopify, and Amazon the moment a sale is made on any channel.

What it does

• Syncs inventory levels across 10+ e-commerce platforms in real-time.
• Supports kitting and bundling to track component-level stock.
• Automates stock updates for Etsy, Squarespace, Shopify, and eBay.
• Provides low-stock alerts and centralized inventory reporting.
• Handles duplicate listings and variations automatically.

Who it's for

• E-commerce sellers
• Artists and makers
• Boutique retailers
• Multi-channel brands

Why it works

• Speed: Boasts one of the fastest sync times in the industry, often updating in less than a minute.
• Ease of Use: Unlike enterprise ERPs, it is designed for 'set-and-forget' automation without complex setup.
• Etsy Specialist: Deeply understands the specific API limitations and needs of Etsy sellers.
• Reliability: Eliminates the manual audit process, reducing human error in stock counts.

Founder story

Nicolas Gremion founded Trunk after noticing e-commerce sellers were spending hours every week manually updating stock levels across different sites. He built Trunk as a lightweight, robust piece of middleware to solve the 'overselling' problem, allowing small business owners to scale without fear of inventory chaos.

Alternatives

• Linnworks
• Stocky
• Sellbrite
• Veeqo

Comparison overview

• Linnworks: An enterprise giant that is often too complex and expensive for solo or small-team sellers.
• Stocky: Excellent if you only sell on Shopify, but lacks Trunk's cross-platform reach.
• Sellbrite: Strong multi-channel support but can be significantly more expensive for simple inventory syncing.
• Trunk is the preferred choice for sellers who want a lightweight, reliable sync engine without the bloat of a full retail suite.