SyncShelf

Real-time inventory sync across warehouses and channels in seconds.

Score: 7.8/10DJMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Enterprise ecommerce teams can't synchronize inventory in real-time across multiple warehouses and channels, causing overselling and stockouts.

Solution

SyncShelf connects your warehouses and sales channels via webhooks for instant bi-directional inventory updates, eliminating overselling and stockouts. It provides a central dashboard to monitor sync status and resolve conflicts automatically. Setup takes minutes with pre-built integrations for Shopify, Amazon, and major WMS.

Target Audience

Enterprise ecommerce teams managing inventory across multiple warehouses and sales channels

Differentiator

Webhook-first architecture for sub-second syncs without polling overhead, optimized for high-volume enterprise ops.

Brand Voice

professional

Features

Warehouse Connections

must-have12h

Connect unlimited warehouses via API keys or webhooks

Channel Integrations

must-have20h

Sync with Shopify, WooCommerce, Amazon, eBay out-of-the-box

Real-time Dashboard

must-have15h

Live inventory levels, sync history, and alerts

Auto Conflict Resolution

must-have10h

Smart rules to handle sync discrepancies

Alert Notifications

must-have8h

Email/Slack alerts for low stock or failures

Bulk Import/Export

must-have10h

CSV uploads for initial inventory seeding

Custom Webhooks

nice-to-have12h

Inbound/outbound webhooks for custom integrations

Reporting Analytics

nice-to-have15h

Sync performance metrics and trends

Role-based Access

nice-to-have10h

Team permissions and audit logs

AI Predictions

future20h

Forecast stockouts based on sales velocity

Total Build Time: 132 hours

Database Schema

organizations

ColumnTypeNullable
iduuidNo
nametextNo
stripe_idtextYes
created_attimestampNo

Relationships:

  • one-to-many with users, warehouses

warehouses

ColumnTypeNullable
iduuidNo
org_iduuidNo
nametextNo
api_keytextYes
webhook_urltextYes

Relationships:

  • foreign key to organizations.id, one-to-many with inventory_items

sales_channels

ColumnTypeNullable
iduuidNo
org_iduuidNo
nametextNo
platformtextNo
access_tokentextYes

Relationships:

  • foreign key to organizations.id

inventory_items

ColumnTypeNullable
iduuidNo
skutextNo
warehouse_iduuidNo
stock_levelintNo
updated_attimestampNo

Relationships:

  • foreign key to warehouses.id

sync_events

ColumnTypeNullable
iduuidNo
org_iduuidNo
typetextNo
statustextNo
created_attimestampNo

Relationships:

  • foreign key to organizations.id

API Endpoints

POST
/api/warehouses

Create warehouse connection

🔒 Auth Required
POST
/api/channels

Add sales channel

🔒 Auth Required
GET
/api/inventory

Fetch current inventory

🔒 Auth Required
POST
/api/sync

Trigger manual sync

🔒 Auth Required
POST
/api/webhook/inbound

Receive warehouse updates

GET
/api/alerts

List recent alerts

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Tailwind + Recharts
Backend
Next.js API routes + Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Supabase RealtimeResend for emailsVercel Cron

Build Timeline

Week 1: Core auth and DB setup

25h
  • User signup/login
  • Org creation
  • Basic DB schema

Week 2: Integrations

30h
  • Warehouse connect
  • Channel connect
  • Test sync

Week 3: Dashboard and realtime

35h
  • Inventory dashboard
  • Supabase realtime subs

Week 4: Alerts and webhooks

30h
  • Notification system
  • Inbound webhook

Week 5: Payments and polish

25h
  • Stripe integration
  • UI refinements

Week 6: Testing and launch prep

20h
  • E2E tests
  • Landing page
Total Timeline: 6 weeks • 175 hours

Pricing Tiers

Free

$0/mo

100 syncs/day

  • 1 warehouse
  • 2 channels
  • Basic dashboard

Pro

$32/mo

10k syncs/day

  • Unlimited warehouses/channels
  • Alerts
  • Auto-resolve

Enterprise

$99/mo

Unlimited

  • All Pro + Custom webhooks
  • Priority support
  • SLA

Revenue Projections

MonthUsersConversionMRRARR
Month 11002%$64$768
Month 68004%$1,024$12,288

Unit Economics

$80
CAC
$960
LTV
4%
Churn
92%
Margin
LTV:CAC Ratio: 12.0xExcellent!

Landing Page Copy

End Overselling Forever with Instant Inventory Sync

SyncShelf delivers real-time stock updates across all your warehouses and channels – no more stockouts or lost sales.

Feature Highlights

Sub-second syncs via webhooks
Pre-built integrations
Smart conflict resolution
Live dashboard & alerts

Social Proof (Placeholders)

"'Saved us $50k in oversells' – Ecom Manager, BrandX"
"'Setup in 10 mins, game-changer' – Ops Lead, RetailCo"

First Three Customers

Post in LinkedIn groups for ecommerce ops managers about inventory pains, offer free setup calls. DM 50 Shopify Plus store owners from recent funding news. Run targeted LinkedIn ads to 'Inventory Manager' titles at mid-size retailers.

Launch Channels

Product Huntr/ecommercer/SaaSIndie HackersLinkedIn

SEO Keywords

real time inventory syncmulti warehouse stock syncecommerce inventory management softwareprevent overselling tool

Competitive Analysis

$349+/mo
Strength

Full ERP features

Weakness

Complex setup, slow syncs

Our Advantage

Instant webhooks, 10x cheaper, solo dev friendly

DEAR Inventory

dearsystems.com
$499+/mo
Strength

Manufacturing focus

Weakness

No real-time webhooks

Our Advantage

Pure sync focus, sub-second updates

🏰 Moat Strategy

Proprietary sync conflict algorithms trained on anonymized data, creating data moat over time.

⏰ Why Now?

Omnichannel ecommerce exploded 3x since 2020, with API/webhook maturity enabling simple real-time sync.

Risks & Mitigation

technicalmedium severity

Integration API changes break syncs

Mitigation

Webhook fallbacks + automated tests

markethigh severity

Enterprises prefer incumbents

Mitigation

Free tier for proof-of-value

executionlow severity

Overrun build timeline

Mitigation

Strict MVP scope

Validation Roadmap

pre-build7 days

Interview 10 ecommerce managers

Success: 5+ confirm pain and WOYBP

mvp14 days

Beta with 3 customers

Success: 90% sync success rate

launch3 days

PH launch

Success: 200 signups

Pivot Options

  • SMB-focused version
  • Single-channel specialist
  • Pure forecasting tool

Quick Stats

Build Time
175h
Target MRR (6 mo)
$2,000
Market Size
$5000.0M
Features
10
Database Tables
5
API Endpoints
6