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Showing content from https://docs.aws.amazon.com/kinesis/latest/APIReference/API_DescribeStreamSummary.html below:

Amazon Kinesis Data Streams Service

DescribeStreamSummary

Provides a summarized description of the specified Kinesis data stream without the shard list.

Note

When invoking this API, you must use either the StreamARN or the StreamName parameter, or both. It is recommended that you use the StreamARN input parameter when you invoke this API.

The information returned includes the stream name, Amazon Resource Name (ARN), status, record retention period, approximate creation time, monitoring, encryption details, and open shard count.

DescribeStreamSummary has a limit of 20 transactions per second per account.

Request Syntax

{
   "StreamARN": "string",
   "StreamName": "string"
}

Request Parameters

The request accepts the following data in JSON format.

StreamARN

The ARN of the stream.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:aws.*:kinesis:.*:\d{12}:stream/\S+

Required: No

StreamName

The name of the stream to describe.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [a-zA-Z0-9_.-]+

Required: No

Response Syntax

{
   "StreamDescriptionSummary": { 
      "ConsumerCount": number,
      "EncryptionType": "string",
      "EnhancedMonitoring": [ 
         { 
            "ShardLevelMetrics": [ "string" ]
         }
      ],
      "KeyId": "string",
      "OpenShardCount": number,
      "RetentionPeriodHours": number,
      "StreamARN": "string",
      "StreamCreationTimestamp": number,
      "StreamModeDetails": { 
         "StreamMode": "string"
      },
      "StreamName": "string",
      "StreamStatus": "string"
   }
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedException

Specifies that you do not have the permissions required to perform this operation.

HTTP Status Code: 400

InvalidArgumentException

A specified parameter exceeds its restrictions, is not supported, or can't be used. For more information, see the returned message.

HTTP Status Code: 400

LimitExceededException

The requested resource exceeds the maximum number allowed, or the number of concurrent stream requests exceeds the maximum number allowed.

HTTP Status Code: 400

ResourceNotFoundException

The requested resource could not be found. The stream might not be specified correctly.

HTTP Status Code: 400