Automate your
resell business.
Run your entire reselling business from one place.
Manage inventory, ship faster and track sales in real time.
100+ resellers in beta
One place for every platform.
New connectors follow what you ask for.
More sites on the roadmap - tell us what you need and we will add it.
Built for serious resellers.
The only tool you need to run and grow your resell operation.
Oversized Tee
Air Max 1
PS5 Controller
Shoulder Bag
Unified inventory
Every item, every photo, every variant in one workspace.
Cross-platform listing
Fill in once, publish everywhere.
Real-time sales
Live revenue, sold count and trend across every connected account.
Auto labels & invoices
Shipping labels and invoices generated the moment a sale comes in.
Smart pricing
Price suggestions that match the market, not your guesswork.
AI photo fill
Upload product photos and get a listing in seconds with AI.
Offer: €72
Counter: €90
Accepted · €90 ✓
Auto-negotiation
Calius monitors your inbox and responds based on your pricing rules.
Inventory
12 items
Mobile App & Desktop sync
Your inventory, sales and listings stay in sync between every platform in real time.
Air Max 1 ‘Patta’
offer sent · auto
€116
€120
Favorite offers
Calius sends a discounted offer automatically to favorites.
Patta x Nike Air Max 1 ‘Wave’
@main
Air Max 1 by Patta - pristine cond.
@side
Nike Patta Air Max 1, size 42 EU
@alt
AI listing variations
Unique AI-generated title and description so duplicate detection never flags you.
north.attic
Vinted
hype.locker
eBay
vintage.club
Kleinanzeigen
sneaker.lab
Vinted
Multi Account handling
Run multiple accounts per platform.
@alex.b
🤝 Offer received
Offered €78 for your Jordan 1 Retro High.
Listing · Sneakers
system
✅ Item sold
Nike Jacket sold for €148.
Order #EB-44102
@thomas.m
📬 New message
Is this still available?
Listing · Camera
Inbox & alerts
Buyer messages and system alerts collected in one quiet inbox.