<note> <p>This documentation is for version 1 of the Amazon Kinesis Data Analytics API, which only supports SQL applications. Version 2 of the API supports SQL and Java applications. For more information about version 2, see <a href="/kinesisanalytics/latest/apiv2/Welcome.html">Amazon Kinesis Data Analytics API V2 Documentation</a>.</p> </note> <p>Starts the specified Amazon Kinesis Analytics application. After creating an application, you must exclusively call this operation to start your application.</p> <p>After the application starts, it begins consuming the input data, processes it, and writes the output to the configured destination.</p> <p> The application status must be <code>READY</code> for you to start an application. You can get the application status in the console or using the <a href="https://docs.aws.amazon.com/kinesisanalytics/latest/dev/API_DescribeApplication.html">DescribeApplication</a> operation.</p> <p>After you start the application, you can stop the application from processing the input by calling the <a href="https://docs.aws.amazon.com/kinesisanalytics/latest/dev/API_StopApplication.html">StopApplication</a> operation.</p> <p>This operation requires permissions to perform the <code>kinesisanalytics:StartApplication</code> action.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}