Welcome - Amazon CloudWatch Logs
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


Amazon CloudWatch Logs enables you to monitor, store, and access your system, application, and custom log files. This guide provides detailed information about CloudWatch Logs actions, data types, parameters, and errors. For more information about CloudWatch Logs features, see the Amazon CloudWatch Logs User Guide.

Use the following links to get started using the CloudWatch Logs Query API:

  • Actions: An alphabetical list of all CloudWatch Logs actions.

  • Data Types: An alphabetical list of all CloudWatch Logs data types.

  • Common Parameters: Parameters that all Query actions can use.

  • Common Errors: Client and server errors that all actions can return.

  • Regions and Endpoints: Supported regions and endpoints for all Amazon products.

Alternatively, you can use one of the Amazon SDKs to access CloudWatch Logs using an API tailored to your programming language or platform.

Developers in the Amazon developer community also provide their own libraries, which you can find at the following Amazon developer centers: