# August 2025

## [August 28, 2025] Notice: Optimization of Push Frequency for Websocket Order Book Channel (books1) in Unified Account (v3)

Websocket: Order Book Channel <br/>
Adjustment Content: The push frequency of the order book channel (books1) is optimized to 20ms. The symbols for this
optimization are: BTCUSDT, ETHUSDT, XRPUSDT, SOLUSDT, SUIUSDT, DOGEUSDT, ADAUSDT, PEPEUSDT, LINKUSDT, HBARUSDT


## [August 26, 2025] Announcement: New Scheduled Push Mechanism for WebSocket Account and Position Channels

Websocket: `account` channel、`position` channel <br/>  <br/>
Adjustment: A new scheduled push mechanism has been added to the WebSocket Account and Position channels, with pushes at
a fixed 5-second interval.


## [August 12, 2025] WebSocket futures market data channel adds nextFundingTime field.

Websocket: futures ticker channel  <br/>
Adjustment: A new field nextFundingTime has been added to the WebSocket futures market data channel.


## [August 12, 2025] WebSocket order channel response adds "amount".

Websocket: order channel <br/>
Adjustment: The response parameters of the WebSocket order channel have added "amount"


## [August 12, 2025] The unified account execution API has added the Execution Correlation ID.

Websocket: `publicTrade` channel、`fill` channel <br/>
Interface: /api/v3/trade/fills、/api/v3/market/fills <br/>
Adjustment: The unified account execution API has added the Execution Correlation ID.


## [August 8, 2025] Transaction details API adds category input and clientOid response.

Interface：/api/v3/trade/fills <br/>
Adjustment：

- Transaction details API adds category input and clientOid response.


## [August 8, 2025] Account settings API adds UID and account mode response.

Interface：/api/v3/account/settings <br/>
Adjustment：

- Account settings API adds UID and account mode response.


## [August 7, 2025] The depth channel push parameters have newly added the pseq parameter.

Websocket: Depth Channel <br/>
Adjustment:The depth channel push parameters have newly added the `pseq` parameter.


## [August 1, 2025] Add a new API for retrieving position ADL ranking

Interface：/api/v3/position/adlRank<br/>
Changes：

- Add a new API for retrieving position ADL ranking