The Securities and Exchange Board of India (SEBI) unveiled a groundbreaking proposal on May 19, 2026, aimed at revolutionizing the trade-processing system for institutional transactions in the stock market. By advocating for a shift from the traditional centralized Straight Through Processing (STP) hub model to a more dynamic application programming interface (API)-based framework, SEBI intends to address persistent issues like delays and high operational costs. This transformation is crucial as the current model relies heavily on a single service provider, which poses significant concentration risks.
Currently, the STP framework is responsible for the seamless exchange of crucial trade-related messages among brokers, custodians, and institutional investors. However, the existing model has been criticized for introducing unnecessary latency, leading to increased costs for market participants. SEBI noted that an alarming 95-99% of all STP traffic is managed by a single provider, creating a potential single point of failure in the system. The proposed API-based system aims to enhance operational efficiency by allowing service providers to communicate directly without going through a centralized hub.
- Direct communication via APIs — eliminates the need for a centralized hub, reducing latency and costs.
- Enhanced scalability — the new framework allows for improved adaptability as market demands change.
- Improved resilience — minimizes the concentration risks associated with relying on a single service provider.
In its proposal, SEBI emphasized that transitioning to the new system would not necessitate substantial modifications from brokers, custodians, or institutional investors. This aspect is particularly significant as it alleviates concerns regarding operational disruptions during the transition period. Furthermore, SEBI has suggested the introduction of optional API-based communication for users serviced by the same provider, which could streamline processes and reduce reliance on manual data handling.
The public is invited to share their insights and feedback on this proposal until June 9, 2026. This engagement reflects SEBI’s commitment to fostering a more efficient and transparent trading environment in India’s capital markets. As the consultation period progresses, stakeholders are keenly watching how these proposed changes will reshape the institutional trading landscape, potentially leading to a more robust and resilient market infrastructure.







