Revision History
The table below provides a snap-shot of the updates in each revision of this document.
| Version No. | Date | Summary of Update |
|---|---|---|
| v2026.1.0.3215 | Feb 11, 2026 |
Added the following Custom Data Type: Added new fields in SymbolFromAlternateSymbologyRequest and SymbolFromAlternateSymbologyResponse. |
|
v2025.8.0.3104 |
Dec 24, 2025 |
Added the following API and Custom Data Type: Added new fields in AggregatePositionRecord and DepositRow. |
| v2025.7.0.2848 | Nov 14, 2025 |
Added the StreamMarketData and UnSubscribeStreamMarketData API. Added new field in QuoteChainResponse. |
|
v2025.6.1.2816 |
Nov 03, 2025 |
Added the following API and Custom Data Type:
Added new fields in Level1MarketDataRecordRequest and SubscribeOrderInfoRequest. |
| v2025.5.1.2717 | Oct 16, 2025 |
Added new field in OrderDetailsResponse. Added a note about EMS xAPI login limitations. |
| v2025.5.0.2421 | Aug 13, 2025 | Added the GetUserRoutes API. |
| v2025.4.0.8 | Jun 25, 2025 | There are no documentation updates in this EMS xAPI release. |
| v2025.3.0.6 | May 14, 2025 | Moved authentication APIs to a separate category and reorganized the sequence of API categories to enhance usability. |
| v2025.2.1.1912 | Apr 22, 2025 | There are no documentation updates in this EMS xAPI release. |
| v2025.2.0.1873 | Apr 07, 2025 | Renamed the GetOrderDetailByDateRangeJson to GetOrderDetailByDateRange API. |
| v2025.1.0.1822 | Mar 07, 2025 |
Renamed the GetOrderDetailByOrderIdJson to GetOrderDetailByOrderId API. Deleted GetTodaysActivityBook API. Added new fields in SubscribeOrderInfoRequest. |
| v2024.7.1.1651 | Nov 29, 2024 | There are no documentation updates in this EMS xAPI release. |
| v2024.7.0.1636 | Nov 12, 2024 | Added the SubscribeTodaysNetPositions and UnSubscribeTodaysNetPositions API. |
| v2024.6.1.1634, v2024.6.0.1615 | NA | There are no documentation updates in these EMS xAPI releases. |
| v2024.5.0.1576 | Aug 19, 2024 | Re-arranged the order of Order, Utility, and MarketData APIs alphabetically. |
| v2024.4.0.1473 | Jun 20, 2024 |
Added the SubscribeTickData and UnSubscribeTickData API. Added new fields in SubmitSingleOrderRequest. |
| v2024.2.0.1355 | Mar 20, 2024 | There are no documentation updates in this EMS xAPI release. |
| v2024.1.0.1209 | Feb 14, 2024 |
Added new fields in IntradayBarsRequest, SecurityData, and SubscribeOrderInfoResponse. |
| v2023.8.1.1167, v2023.8.0.1146, v2023.7.0.887 | NA | There are no documentation updates in these EMS xAPI releases. |
| v2023.6.0.723 | Sep 27, 2023 |
Added new fields in OrderDetailsResponse. |
| v2023.5.0.947 | Aug 18, 2023 |
Added new field in UnSubscribeLevel1DataResponse, AddSymbolsResponse, RemoveSymbolsResponse, UnSubscribeLevel2DataResponse, SubmitBookTradeResponse, SubmitSingleOrderResponse, ChangeSingleOrderResponse, CancelSingleOrderResponse, SubmitPairOrderResponse, ChangePairOrderResponse, CancelPairOrderResponse, SubmitSeedDataResponse, SubscribeOrderInfoResponse, BasketOrderResponse, SubmitAllocationOrderResponse, SubmitTradeReportResponse, ServerAcknowledgement, StartLoginSrpResponse, CompleteLoginSrpResponse, ConnectResponse, DisconnectResponse, and ChangePasswordSRPResponse. |
| v2023.4.0.809 | Jul 12, 2023 |
Added new fields in OrderInfoFilters. Deleted fields in DailyWeeklyMonthlyBarsRequest, IntradayBarsRequest, TickDataRequest, and OptionsAndGreekDataRequest. Added Level1MarketDataRecordRequest object. |
| v2023.3.0.638 | May 12, 2023 | There are no documentation updates in this EMS xAPI release. |
| v2023.2.0.478 | Apr 14, 2023 |
Added the following API and Custom Data Type:
Updated Level2MarketDataRequest to support more then one symbol. Deleted Request and Advise fields from OptionChainRequest and SymbolReferenceDataRequest. |
| v2023.1.0.2 | Feb 16, 2023 |
Added OrderDetailsResponse Custom Data Type. Added new field in SubmitSingleOrderRequest, SubmitSingleOrderResponse, and TodaysActivityRequest. Updated the key values in SubscribeOrderInfoResponse and OrderResponse. |
| v2022.8.0.4 | Dec 21, 2022 | Added new fields in SubscribeOrderInfoRequest, TodaysActivityRequest and TodaysActivityJsonRequest. |
| v2022.5.0.0 | Sep 09, 2022 | Added new fields in OrderResponse and Level1MarketDataResponse. |
| v2022.3.0.0 | Jun 10, 2022 | Added new fields in TodaysBrokenDownPositionsRequest. Added additional event types in Appendix A: Order Event Types. |
| v2022.2.3.0 | Apr 07, 2022 | Added the GetLevel1MarketData API and extended fields in SubscribeOrderInfoResponse. |
| v2022.2.2.0, v2022.2.1.0, v2022.2.0.0, v2021.9.0.0, v2021.8.1.0, v2021.7.0.0 | NA | There are no documentation updates in these EMS xAPI releases. |
| v2021.5.0.0 | Jul 16, 2021 |
Added the following APIs and Custom Data Type:
Added Required? field information for the Order and Utility request APIs. Updated API descriptions for the Order and Utility APIs. Added, Modified, and Deleted Fields in OrderResponse, SubmitSingleOrderRequest, ChangeSingleOrderRequest, SubscribeOrderInfoResponse, OrderInfo, and OrderInfoFilters. Added information related to Extended Fields in OrderResponse and SubscribeOrderInfoResponse. Added new section Appendix A: Order Event Types. |
| v2021.2.0.0 | Mar 31, 2021 | Added the GetTodaysActivityJson API. Applied order filters to TodaysActivity APIs and added user defined timeout intervals for Utility APIs. |
| v2021.1.0.0 | Feb 02, 2021 | Added the following API and Custom Data Type: |
| v2020.9.0.0 | Dec 18, 2020 | Added the SubscribeHeartBeat API. |
| v2020.8.0.0 | Nov 25, 2020 | Added the following APIs and Custom Data Type: |
| v2020.7.3.0 | Nov 10, 2020 | Updated the stable version details of EMS xAPI. |
| v2020.7.2.0 | Oct 30, 2020 | Initial release. |