This article discusses how AWS CloudTrail Insights can be used for proactive API monitoring and cost optimization. CloudTrail Insights analyzes CloudTrail management events to establish baselines for API call volume and error rates, and generates insights events when anomalies are detected.

Specifically, the article covers:

• Setting up CloudTrail Insights for trails and event data stores
• Monitoring API activity using CloudTrail Insights graphs and events
• Setting up alerts and notifications using Amazon EventBridge and Amazon SNS
• Real-world use cases for optimizing cloud security and costs
• Conclusion summarizing the benefits of leveraging CloudTrail Insights