As part of our continuous improvements to the BitMEX platform, at approximately 08:20 UTC on 4 October 2021, we made the following changes to the REST API in Testnet:
- A new optional parameter 
currencywas added to the following endpoints. If nocurrencyis passed, by defaultXBtwill be assumed to ensure backwards compatibility.GET /user/depositAddressGET /user/marginPOST /user/requestWithdrawalGET /user/walletGET /user/walletHistoryGET /user/walletSummaryGET /user/affiliateStatus
 
- In addition, 
currency=allis now supported for the following endpoints. An array will be returned in this case.GET /user/marginGET /user/walletGET /user/walletHistoryGET /user/walletSummaryGET /user/affiliateStatus
 
These changes will be made in Production at a later time. A further announcement will be made prior to the changes going live.
Should you have any questions, please contact Support.