BSE notice 20260529-13 · 29 May 2026
Official title
Enhancements in Trading System APIs in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments (Mandatory Release) – Update
Official record
Open source pageSummary
Check the official recordBSE updates the Trading System APIs for Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments. The updates include a new Algo ID field for order and quote mass cancellation messages, a new error code for debarred clients, and a revised identification for Location ID. Trading members and third-party application vendors must update their systems to support these changes. The exchange provides testing environments for all segments. Live implementation occurs on different dates for specific segments. Members must participate in mandatory mock trading sessions before the live release. Members should contact the BSE Tech Team for technical assistance.
What you must do
Key dates
[Image omitted. See the official document.]
| Notice No. | 20260529-13 |
| Notice Date | 29 May 2026 |
| Category | Trading |
| Segment | General |
| Department | Trading Development |
| Subject | Enhancements in Trading System APIs in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments (Mandatory Release) – Update |
| Attachments | No Attachment |
In continuation circular no. 20260515-36 dated May 15, 2026 regarding following Enhancements in Trading System APIs in Equity, Equity Derivatives, Currency Derivatives & Commodity Derivatives segments
Kindly note following important points –
Changes in the Test (simulation) environment are available from Tuesday, May 26, 2026 in Equity Derivatives, Currency Derivatives, Commodity Derivatives and in Equity segment changes shall be made available from Wednesday, June 3, 2026.
Additionally, similar ETI API changes (v1.6.14) as specified in circular no. 20260515-36 shall be applicable in EGR segment as well and same has been made available for testing from Tuesday, May 26, 2026 in test (simulation) environment.
The above-mentioned enhancements shall be made available for live trading as follows –
Changes in Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments shall be made live with effect from Monday, June 29, 2026 (mock trading on Saturday, June 27, 2026).
Changes in In Equity segment, instead of Monday, June 22, 2026, changes shall be made live with effect from Monday, July 06, 2026 (mock trading on Saturday, July 04, 2026)
All third-party trading application vendors and members having in-house developed trading application are requested to take note of the API changes & ensure necessary system development in their trading application.
For any clarifications or technical assistance, please contact the BSE Tech Team at email - bse.tech@bseindia.com or telephone – 022 – 2272 8053.
For & on behalf of BSE Ltd,
Nawaid Pathan
Amith Iyer
Vice President – Information Technology
DVP – Trading Development
May 29, 2026
Who is affected