3Commas currently offers Binance Margin support for Cross margin only at present.
But first, you need to create a Margin account on your Binance account and transfer the funds to it:
Pass the Quiz and create a Margin account:
Then you can either connect the Cross Margin account using the Fast Connect feature, or you can create the API keys classically with relevant permissions.
If you want to use Fast Connect, please follow the steps from this article:
Just make sure you choose only Binance Margin on the step 4:
If you want to use a classic way, you need to create a new API Key & Secret on the Binance.com website and ensure "Enable Spot & Margin Trading" is selected (if you want to connect only Spot and Margin accounts):
Complete the connection according to this article:
Connect an exchange using an API key
Any funds you wish to borrow and repay for Margin trades need to be borrowed on the Binance.com website itself; after you borrow margin, this will then appear in 3Commas to be used on Smart Trades or Bots.
3Commas does not currently support Isolated Margin mode, but our Product Development Team has plans for development tasks to add it as a 3Commas feature. If this changes, we will announce it to all users by email and on the 3Commas Telegram Notification Channel.