API Gateway Logging with CloudWatch for Serverless Applications

Monitoring and debugging serverless applications can be incredibly challenging without clear visibility into your API traffic. Understanding how to track requests, diagnose errors, and monitor latency is essential for maintaining production-ready serverless systems. This text-based course guides you through setting up comprehensive logging and monitoring for AWS API Gateway using CloudWatch. You will start with foundational concepts of API logging, learn to configure execution and access logs, and explore modern observability practices. What you'll learn: Understand foundational API Gateway and CloudWatch concepts and terminology; Configure execution and access logging for REST and HTTP APIs; Format logs using JSON templates for structured, queryable data; Query and analyze log data using CloudWatch Insights to find errors; Set up basic alarms for latency and error rate thresholds; Apply security best practices to protect sensitive data in your logs. The course begins with core terminology and essential configurations before moving into structured logging formats, query strategies, and real-world troubleshooting scenarios. This course is designed for beginner cloud developers and DevOps engineers looking to gain confidence in AWS monitoring, with no prior logging experience required. Start building reliable, observable serverless APIs today.