In the current challenging economic climate, retaining existing customers has become more critical and cost-effective than acquiring new ones, with customer retention costs being significantly lower than acquisition costs. Customer Success Management (CSM) teams play a vital role in maintaining customer engagement by leveraging user-centric analytics tools like Moesif to monitor API metrics and customer activities. By tracking important metrics such as API usage, error events, and cohort retention, CSM teams can proactively identify customers at risk of churning and intervene to ensure continued product use and satisfaction. Real-time alerts and cohort analysis enable efficient monitoring and timely support, which are essential in meeting retention goals and preventing customer turnover. This data-driven approach is especially crucial as businesses navigate the economic downturn precipitated by the COVID-19 pandemic, highlighting the importance of sustaining customer success and renewal rates.