In the fast-paced realm of financial services, where the demand for seamless transactions and uninterrupted services is paramount, the specter of system crashes looms large. Imagine the dismay when users log in to your financial app only to encounter a crashing system, triggering a cascade of complaints and negative reviews. This is precisely the scenario that financial institutions strive to avoid when developing products that cater to large audiences and need to scale as the load increases. Hence, load testing holds significant importance for companies operating in payment gateways, online banking, investment platforms, digital wallets, and other financial services. This article aims to provide a comprehensive understanding of this type of testing and insights into the best practices for conducting it.