The Bombay Stock Exchange (BSE) on May 29, 2026, issued a notification regarding an update on enhancements in Trading System APIs in Equity, Equity Derivatives, Currency Derivatives, Commodity Derivatives & EGR segments (Mandatory Release).
The following has been stated:-
•NSE has updated the implementation schedule for trading API enhancements, including the addition of Algo ID in mass cancellation messages, a new debarred-client error code, and revised Location ID identification.
•The changes are available for testing from May 26, 2026, in Equity Derivatives, Currency Derivatives, Commodity Derivatives, and EGR segments, while Equity segment testing begins on June 03, 2026.
•The enhancements will go live in Derivatives and EGR segments on June 29, 2026 (mock trading on June 27, 2026).
•Implementation in the Equity segment has been deferred to July 06, 2026 (mock trading on July 04, 2026), and members/vendors must ensure necessary system updates.
[Notification No.: 20260529-13]