One-click real-time inventory sync between Shopify and Etsy – end oversells forever.
Small ecommerce business owners can't sync inventory across platforms like Shopify and Etsy, causing overselling and stockouts.
SyncShelf connects your Shopify and Etsy stores via secure OAuth and webhooks for bidirectional, real-time stock updates. It automatically maps products by SKU or title, pushing changes instantly to prevent overselling. View a unified dashboard to monitor sync health across all locations.
Small ecommerce business owners managing sales across multiple platforms like Shopify and Etsy
Lightning-fast 5-minute setup with zero configuration – perfect for non-technical small biz owners.
friendly
Secure one-click connection to Shopify store
Secure one-click connection to Etsy shop
AI-assisted matching of products by SKU/title across platforms
Instant stock level updates via webhooks on sales/orders
Central view of all stock levels and sync status
On-demand full inventory refresh button
Email notifications for failed syncs or discrepancies
Edit stock levels across platforms in one go
View past sync events and changes
Sync product variants separately
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| subscribed_plan | text | Yes |
| created_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | No | |
| user_id | uuid | No |
| platform | text | No |
| store_id | text | No |
| access_token | text | No |
| connected_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| store_id | uuid | No |
| external_id | text | No |
| sku | text | Yes |
| stock_level | int | No |
| synced_at | timestamp | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| product_id | uuid | No |
| old_stock | int | Yes |
| new_stock | int | No |
| status | text | No |
| synced_at | timestamp | No |
Relationships:
/api/connect-shopifyInitiate Shopify OAuth and save store
/api/connect-etsyInitiate Etsy OAuth and save shop
/api/sync-nowTrigger manual full sync
/api/productsFetch unified product list
/api/logsGet recent sync logs
/api/webhook/shopifyReceive Shopify inventory updates
/api/webhook/etsyReceive Etsy inventory updates
50 products max
None
None
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 100 | 5% | $145 | $1,740 |
| Month 6 | 800 | 12% | $2,304 | $27,648 |
Connect in 5 minutes, sync stock levels in real-time across platforms. No more stockouts or unhappy customers.
Post in Shopify and Etsy Facebook groups offering free lifetime Pro access for feedback; DM 20 small sellers from Etsy forums who mention multi-platform issues; share MVP video on r/ecommerce for beta signups.
Multi-platform support
Complex setup, high cost for small biz
5-min setup at 1/3 price, Shopify/Etsy focus
First-mover data on sync patterns to auto-optimize mappings, creating sticky network effects as users add more products.
Etsy sales up 30% YoY, Shopify multi-store boom – small sellers rushing to multi-channel without sync tools.
Platform API changes breaking webhooks
Monitor API changelogs, build retry logic & alerts
Low adoption due to inertia
Free tier + targeted group outreach
Sync latency issues
Supabase realtime + queueing with Upstash
Success: 7/10 confirm willingness to pay $30
Success: 90% sync accuracy, positive NPS
Success: 200 signups, 5% conv
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