In fintech, APIs power everything. Starting from payments to trading to real-time customer experiences, the API takes care of everything. Performance isn’t optional, but it’s critical for user trust and business success. 

As a fintech API and cloud optimization expert, I constantly face the challenge of balancing quick development with high performance. When Microsoft announced GitHub Copilot for free, I asked myself a real-world question: Can GitHub Copilot go beyond writing boilerplate code and help optimize fintech Microservice APIs?