# CHANGELOG

## 2025-03-28

* `https://openapi.exchange1.com/sapi/v2/symbols`. Return value Add "feeRateMaker" "feeRateTaker"

## 2025-03-26

* Added a new historyOrders data RESTful API URL `https://openapi.exchange1.com/sapi/v3/historyOrders`.
* Added a new myTrades data RESTful API URL `https://openapi.exchange1.com/sapi/v3/myTrades`.

## 2025-02-12

Updated the spot trading API symbol parameter to support both the real currency name and the display name.

## 2025-02-10

Updated the expiration time of the X-CH-TS timestamp in the request headers from 1 second to 3 seconds.


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