Inventra – Multi-channel Inventory & Order Automation
Multi-channel inventory & order operations automation
Multi-channel inventory and order operations platform — real-time stock sync across Shopify, Amazon, eBay, and Etsy; rule-based order routing to the nearest fulfillment center; branded self-service returns portal; and reorder-point alerts with auto-drafted purchase orders. Built in 12 weeks.
Selling on four channels and reconciling inventory in spreadsheets is a full-time job that still ends in oversells and angry customers. GroveTech built Inventra in 12 weeks for a US D2C home-goods brand to replace all of it: one platform that keeps every channel in sync in real time, routes every order automatically, lets customers handle their own returns, and alerts the buying team before a stock-out happens.
Never oversell. Never scramble. Never reorder late.
The Problem
- Manual inventory reconciliation across Shopify, Amazon, eBay, and Etsy — oversells and customer complaints follow every peak day.
- High-volume periods overwhelm fulfillment; every order gets routed manually by the ops team.
- Returns and refund requests absorb an outsized share of support-team hours.
- Reorders triggered on gut feel rather than sell-through rate and supplier lead time.
Our Solution
- Real-time inventory sync across all four channels — a single source of truth, updated on every sale or adjustment.
- Rule-based order routing automatically selects the nearest warehouse, 3PL, or dropship vendor and pushes to WMS.
- Branded self-service returns portal: customers file RMAs in under a minute; policy rules auto-approve, flag, or block.
- Reorder-point engine checks every SKU every 6 hours and drafts purchase orders for buyer approval.
Built on a solid, integration-first foundation.
Next.js
Node.js
PostgreSQL
Redis
AWSShopify
Amazon
eBay
Etsy
Stripe
DockerA look inside the Inventra platform.
4 core workflows — built to run automatically, end to end.
Multi-channel Inventory Sync
A single source of truth keeps stock identical across Shopify, Amazon, eBay, and Etsy — no more overselling or manual reconciliation.
Order Routing & Fulfillment
Every order flows through rule-based routing to the nearest fulfillment center, the right carrier, and straight into the warehouse pick queue.
Self-service Returns Portal
Customers file returns in under a minute. Policy rules auto-approve, flag, or block each RMA — support only touches edge cases.
Low-stock Reorder Automation
Reorder-point alerts based on sell-through + lead time — with auto-drafted purchase orders so buyers approve instead of calculate.
Numbers from post-launch.
What's coming next on the roadmap.
What our client had to say.
We were selling on four channels and running on caffeine and spreadsheets. Inventra took the scrambling out of the day: inventory is always right, orders route themselves, and our stock-out rate is down 80%. Our ops team finally has time to work on the business instead of just keeping it alive.
Rachel Lombardi
Director of Operations · [D2C home-goods brand under NDA · US]
Have a similar challenge to automate away?
Whether it's onboarding, approvals, document workflows, or any repetitive process living in email threads today — GroveTech ships production-ready MVPs in 10–14 weeks.