Callisto
Callisto: A wholesale marketplace with auctions, direct offers, grading and escrow payments. Ranked #27 of 40 in Used Tech Marketplaces by our editors (5.4/10); pricing: Paid; best for verified traders selling used electronics in bulk.
At a glance
- Editor score5.4 / 10
- PricingPaid
- Best forVerified traders selling used electronics in bulk
- Facts checked4 Oct 2026
Where it wins
- Supports fixed-price listings, auctions, offers and counteroffers.
- Escrow payments, trader verification and mismatch claims support transactions.
- Bulk uploads and seller dashboards help manage inventory and orders.
Where it doesn't
- Focused on business-to-business wholesale rather than consumer resale.
- Shipping is not included in the marketplace model.
- Public fees and pricing are not specified.
Our verdict on Callisto
Callisto is a cloud-based B2B marketplace for wholesalers, refurbishers and resellers buying or selling used, refurbished and damaged electronics. Its catalogue spans smartphones, tablets, computers, wearables, accessories, home electronics, haircare and storage. Buyers can purchase fixed-price listings, bid in live or silent auctions, or make offers; sellers can manage listings and orders through a dashboard. The mix suits traders handling bulk inventory, rather than consumers looking for a casual second-hand marketplace.
Transaction controls are a notable part of the offer. Product grading and detailed specifications help describe condition, while trader verification uses KYC/KYS processes. Payments are held in escrow, and buyers can file return claims when goods do not match agreed specifications. These measures are relevant to business transactions where condition and counterparty trust matter. The marketplace model includes peer-to-peer trading as well as company-owned auction and catalogue inventory, so buyers may encounter both seller listings and platform inventory.
Seller tools include bulk product uploads and inventory, auction and order management. Callisto is web-based and cloud-deployed, with email and documentation support; its stated compliance features include GDPR and two-factor authentication. The pricing model is paid, but public fee details are not specified, and product prices are transaction-specific. Shipping is not included. Callisto is a fit for verified businesses that need several ways to trade used electronics and value transaction protections; sellers seeking a consumer marketplace or buyers who need shipping built into the offer should consider alternatives.
Callisto pricing
Callisto fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Marketplace model | Not verified |
| Seller fees | Not verified |
| Device categories | Smartphones, tablets, laptops, desktops, wearables, accessories, home electronics, haircare, storage |
| Shipping included | No |
| Buyer protection | Yes |
| Business selling | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR, 2FA |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid |
| Website | callisto.tech |
| Facts checked | 4 Oct 2026 |
Alternatives to Callisto
- Amazon RenewedA broad refurbished marketplace with seller qualification and a buyer guarantee.9.2
- Back MarketBuy refurbished tech from professional sellers or trade in an eligible device.8.8
- Apple Certified RefurbishedApple-backed testing, parts, and warranty make this a focused choice for refurbished Apple devices.8.7
See all Callisto alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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