Dear HTX Users,

HTX will launch the V5 API interfaces for the Multi-Assets Collateral mode in USDT-margined futures trading on May 12, 2025, at 6:00 (UTC).

These API interfaces are specifically designed for users whose account type is set to the Multi-Assets Collateral mode. If you want to use the interfaces, please ensure your account type is updated accordingly. Users operating under the Single-Asset Collateral mode should continue using the existing API interfaces.

These Multi-Assets Collateral V5 API interfaces include private endpoints for orders, positions, and account data, along with dedicated private push channels.

The Single-Asset Collateral interfaces include endpoints such as contract info, market data, futures orders, and futures assets (partially compatible). They are accessible to the Multi-Assets Collateral accounts.

The following interfaces are compatible with Multi-Assets Collateral accounts:

/linear-swap-api/v1/swap_cross_sub_account_list

[Cross Margin] Get asset info of all sub-accounts of your main account.

/linear-swap-api/v1/swap_cross_sub_account_info_list

[Cross Margin] Get sub-account asset info in batches.

/linear-swap-api/v1/swap_master_sub_transfer

[General] Transfer assets between the main account and sub-accounts.

/linear-swap-api/v1/swap_master_sub_transfer_record

[General] Get transfer records between the main account and sub-accounts.

https://api.huobi.pro/v2/account/transfer

[General] Transfer assets between Spot and USDT-M Futures accounts.

 

Updated usage rules apply to the following field:

Field: client_order_id

For Single-Asset Collateral mode accounts: client_order_id remains valid for up to 8 hours.

For Multi-Assets Collateral mode accounts: client_order_id becomes invalid once the order is fully filled or canceled. For other order state types, client_order_id is valid for a maximum of 8 hours.

 

HTX Team

May 8, 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.