DynamoDB now supports CloudTrail logging

API calls to DynamoDB can now be logged with CloudTrail. 

More details at:

Logging DynamoDB API Calls By Using AWS CloudTrail

The services supported by CloudTrail currently are:

Administration and Security

• AWS Identity and Access Management 
• AWS CloudTrail 
• Amazon CloudWatch 
• AWS Key Management Service 
• AWS Security Token Service 
• AWS CloudHSM 
• AWS Config 
• AWS Directory Service 

Analytics

• Amazon Elastic MapReduce 
• Amazon Kinesis 
• AWS Data Pipeline 

Application Services

• Amazon Simple Queue Service 
• Amazon Simple Workflow Service 
• Amazon Elastic Transcoder 
• Amazon CloudSearch 
• Amazon Simple Email Service 

Compute

• Amazon Elastic Compute Cloud (EC2
• Auto Scaling 
• Elastic Load Balancing 
• Amazon EC2 Container Service 
• AWS Lambda 

Database

• Amazon Relational Database Service 
• Amazon ElastiCache 
• Amazon Redshift 
• Amazon DynamoDB 

Deployment and Management

• AWS Elastic Beanstalk
• AWS OpsWorks 
• AWS CloudFormation 
• AWS CodeDeploy 

Enterprise Applications

• Amazon WorkDocs

• Amazon WorkSpaces

Mobile Services

• Amazon Simple Notification Service

Networking

• Amazon Virtual Private Cloud
• AWS Direct Connect 
• Amazon Route 53

Storage and Content Delivery

• AWS Storage Gateway 
• Amazon Glacier 
• Amazon CloudFront
• Amazon Elastic Block Store