AWS Trusted Advisor introduces new APIs to enable you to programmatically access Trusted Advisor best practice checks, recommendations, and prioritized recommendations. Trusted Advisor continuously evaluates your AWS environment using best practice checks in the categories of cost optimization, performance, resilience, security, operational excellence, and service quotas, and recommends actions to remediate any deviations from best practices. Trusted Advisor Priority provides context driven and prioritized recommendations from your AWS account team to help you focus on the most important recommendations.
Source:: Amazon AWS