12sell Docs

Learn how every part of 12sell works — across web, iOS and Android. Start with the guides, then dive into specific features.

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Welcome to 12sell — the global trade floor

Real businesses. Real deals. Across 50+ countries, on web, iOS and Android. This is everything you need to know to win on the platform.

Start your first hour

12sell is a global B2B trading platform that connects businesses worldwide. You post deals (Want to Sell or Want to Buy), publish showcases of your products, share tales from your day, message buyers and sellers in real time, and grow through referrals.

This documentation explains every feature so you can get the most out of 12sell, no matter which platform you use. The app works the same way on web, iOS, and Android.

📘 Essential Guides — Start here

The fastest way to get value from 12sell. Each guide is a complete playbook you can read in 5–10 minutes and apply the same day.

First Hour on 12sell — end-to-end walkthrough from sign up to first message reply.
Writing deals that convert — title formulas, description structure, what to avoid.
Writing showcases that win business — photo discipline, AI Rewrite, ongoing cadence.
Trading safely on 12sell — counterpart verification, payment hygiene, scam patterns.
From unverified to verified — the complete verification path.