Open Financial Services (OFS) is the language T24 uses to communicate with itself and the outside world. You can send a transaction in the OFS format to T24 and receive the response in the same standardized OFS format. In this blog, we will explore how to create an OFS string and test the posting of a transaction.

The Application Test Framework (ATF) uses OFS to run bulk testing for T24 applications. It is designed for Release Validation Tests (RVTs) that cover high-value functional tests across the core banking system. It supports automated testing of key business processes and modules relevant to the release being validated. Test scripts are created using Apache Karate feature files, which can be tailored to various modules and functionalities. The framework is integrated into the re

Temenos provides an Operational Data Store (ODS) to retrieve data from the Transact environment and expose it as services through an IRIS Runtime. The ODS is typically provided as part of the Data Lake solution, which separates read operations from the Transact core.

Arrangement Architecture (AA) is the agreement between the customer and the bank with predefined, customized conditions to maintain Loans, Deposits, or Accounts in a core banking platform. Before learning AA, you need to understand the basic concepts of Customer, Account, Interest, Charges, Limits, and coding concepts.

To grasp the fundamental concepts of T24 core banking, it is essential to connect them with our everyday banking practices. A straightforward example is a balance inquiry, which involves retrieving the balance stored in the database. Another example is the transfer of funds, which functions as both a debit and credit update, representing a write operation to the database. In this blog, we will share the basic concepts of T24 core banking.

Numerous banks continue to operate with older iterations of Temenos T24, which have been reliable for many years. Nevertheless, as business requirements change, these systems become increasingly challenging to manage due to the rising demands of digital transformation.

Learn how to effectively debug TSA services in your T24 Transact environment using native commands. This step-by-step guide explains how to run services in debug mode, track real-time execution details, and gain deeper insights into your code’s behavior.

How to deploy and test Temenos T24 APIs using IRIS on WebSphere and WebLogic step-by-step.

La gestión eficiente de las tablas JOB.LIST es fundamental para una ejecución fluida de COB en T24. Aprende las mejores prácticas para reducir el tamaño de las tablas, ajustar las exportaciones DW, monitorear los registros y evitar cuellos de botella de rendimiento para mantener tu sistema de core banking ágil y confiable.

Banking requires speed, reliability, and high availability. If you work with Temenos T24, you know how critical it is to keep operations running without interruption.

This blog explains the bulk payment workflow in T24, outlining how payment data usually uploaded via a CSV file—is processed through the FILE.UPLOAD application. Once uploaded, a MAIN bulk payment record and related ITEM records are created for each transaction.

Effective COB monitoring is essential for ensuring smooth overnight processing and timely service at the start of each banking day. Temenos Transact provides several enquiries and tools that give real-time visibility into COB operations.

Temenos lanza una nueva versión de T24 cada año, y en 2025 presenta R25, centrada en el rendimiento y la eficiencia. Temenos launches a new T24 release every year, and in 2025 introduces R25, focused on performance and efficiency. Key improvements include Data Lifecycle Management (DLM) optimizations, such as excluding ReadOnly data from batch jobs and online searches

Optimize T24 core banking operations with proper timeout settings to prevent session interruptions and enhance data protection.

Exploring the latest optimizations in DLM, Performance Health Review and digital banking performance tuning in R25.

The T24 Observability Fastpack simplifies monitoring for seamless, reliable, and compliant banking operations.

Discover automation and performance tuning tips for Temenos TCIB, from file uploads to SOAP to OFS optimization.

Temenos Techdays 2025 in Chennai brought key updates on extensibility, API mastery, performance tuning & Gen AI in banking.