# Revision History

### **May-2023**

* Clarification on simultaneous removal and addition an order from/to an order group - this is not supported, separate requests should be used
* Small fixed for HMAC authentication: Token field is removed from set of key-value pairs required for HMAC hash-candidate, /dxsca-web path added to URI.

### **Apr-2023**

* Change in Order group Request: THEN order(s) shall have only GTC TIF
* Change in Single Order Request: Only GTC, DAY and GTD are supported

### **Mar-2023**

* Section 'Rate Limits & Throttling' was updated with information about rate limits for login/'get data'/trading requests.

### **Feb-2023**

* New revamped version of the specification
* `in-domains` query filters are no longer supported as users are created in a single `default` domain.

### **Jun-2023**

* Extending orders with the Hedging Context - hedged order id and external id that are used only for dealer users

### **Sep-2023**

* Parameter 'side' is removed from Order Leg type
* Position metric fields was updated with information about openPrice, fpl in instrument currency, instrument currency and current price in instrument currency

### **Oct-2023**

* Position metric fields has been updated with information about openPrice in instrument currency


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