Dear HTX Users,

 

To improve your trading experience, HTX will make the following API adjustments for the USDT-margined futures trading in the Multi-Assets Collateral mode, starting August 1, 2025, at 02:00 (UTC).

 

1. The trade_id field will be corrected to normal values in the query for trade history (over the last three days) and the subscription for trade change data.
2. The business_type field will no longer be returned when querying order history. You must input the exact futures symbol, when getting perpetual or delivery futures using the contract_code parameter.

Examples:

contract_code == null → returns error: "Invalid contract_code parameter"

contract_code == 'BTCS-USDT' → returns error: "Invalid contract_code parameter"

contract_code == 'BTC-USDT' → returns perpetual futures data

contract_code == 'BTC-USDT-251103' → returns delivery futures data

 

For more information, please refer to the API documentation at the HTX Open Platform.

This update only applies to USDT-margined futures trading.

 

HTX Team

July 28, 2025

 

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HTX reserves the right in its sole discretion to amend or change or cancel this announcement at any time and for any reasons without prior notice. The above is for information purposes only and HTX makes no recommendations or guarantees in respect of any virtual asset, product, or promotion on HTX. Prices of virtual assets are highly volatile and trading virtual assets involves risk. Please read our Risk Reminder text here.