# May 2025

## [May 19, 2025] Update on Regular Release Date

The current fixed regular release date for backend is **every Tuesday, Wednesday, and Thursday from 14:00 PM to 17:00 PM (UTC +8)**(Except for emergency upgrade). <br/>During the regular release time window, the RestAPI may return 45001, 40725, or 40808 error responses. Users can retry after receiving these error responses. WebSocket connections may be disconnected during the release period. WebSocket users are advised to implement a reconnection mechanism in their code.

## [May 19, 2025] Adjustment of the Spot place-plan-order API

Interface:/api/v2/spot/trade/place-plan-order

Changes:
- The `force` field was invalid when placing an order and has been deleted.

## [May 14, 2025] New version: Order-taking staff API Key creation interface adds currency pair range description.

Interface:/api/v2/copy/mix-trader/create-copy-api <br/>
Changes:
- New: Added description for order-taking currency pair range.

## [May 9, 2025] Obtain the adjustment of the input parameters for the current funding rate.

Interface:/api/v2/mix/market/current-fund-rate

Changes:
- Obtain that the request parameter `symbol` of the current funding rate is changed to be non-mandatory.

## [May 9, 2025] Optimized the API for retrieving spot assets of sub-accounts.

Interface:/api/v2/spot/account/subaccount-assets

Changes:
- Added pagination parameters: `idLessThan` (pagination cursor) and `limit` (items per page).
- Added return field: `id` (cursor ID)

## [May 9, 2025] Optimized the API for querying announcements.

Interface:/api/v2/public/annoucements

Changes:
- New announcement types added<br/>`product_updates`: Product Updates<br/>`security`: Security<br/>`api_trading`: API Trading
- Added pagination parameters: `cursor` (pagination cursor ID) and `limit` (items per page).
- Deprecated announcement type: `trading_competitions_promotions` (Trading Competitions and Promotions)
- The return field `annDesc` (Announcement Description) is deprecated.

## [May 8, 2025] Interface for adding leverage interest rate records

Interface: /api/v2/margin/interest-rate-record
Changes:
- The interface for adding leverage interest rate records supports users to query the interest rate record data based on the trading pairs.

## [May 8, 2025] Optimization of the query range for public transaction details of spot/contract.

Interface: /api/v2/spot/market/fills-history; /api/v2/mix/market/fills-history；

Changes:
- Adjust the time span from 7 days to 90 days, which means it supports querying public transaction data from the past three months.

## [May 8, 2025] Add preset stop - profit and stop - loss execution prices for contract orders.

Interface: /api/v2/mix/order/place-order

Changes:
- Add request parameters <br/> `presetStopSurplusExecutePrice` Preset stop-profit execution price <br/> `presetStopLossExecutePrice` Preset stop-loss execution price

## [May 8, 2025] Add "utime" to the WebSocket push for cross-margin/isolated-margin leverage order channels.

Channels: Cross-margin Leverage Order Channel, Isolated-margin Leverage Order Channel

Changes:
- Add to the push data `utime`