Fintech has reshaped financial services, using technologies like machine learning and blockchain to deliver faster, smarter, more user-friendly experiences. Challenger banks, open banking apps, digital payments, and investment apps have set a new standard—leaving traditional institutions racing to keep up. But staying competitive isn’t just about building digital products—it’s about making them reliable. In fintech, even a few seconds of downtime can cost millions in revenue and years of trust. That’s why performance monitoring and observability are critical. They help teams detect issues early, prevent outages, and maintain the speed and quality customers expect. In this article, we’ll explore how monitoring supports reliability, stability, and growth in today’s high-stakes financial services landscape. Moreover, we’ll go through the most important metrics you need to monitor as a FinTech and offer some tool options, as well as how to choose the best one for you. The Challenges of Mon

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