# ListStreamProcessors
<a name="API_ListStreamProcessors"></a>

**Important**  
Service availability notice: Streaming Video and Bulk Image Analysis is no longer available to new customers. For more information, see [Rekognition feature availability changes](https://docs.aws.amazon.com/rekognition/latest/dg/rekognition-availability-changes.html).  
 **This change does not impact the availability of other Amazon Rekognition features.** 

Gets a list of stream processors that you have created with [CreateStreamProcessor](API_CreateStreamProcessor.md). 

## Request Syntax
<a name="API_ListStreamProcessors_RequestSyntax"></a>

```
{
   "MaxResults": {{number}},
   "NextToken": "{{string}}"
}
```

## Request Parameters
<a name="API_ListStreamProcessors_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [MaxResults](#API_ListStreamProcessors_RequestSyntax) **   <a name="rekognition-ListStreamProcessors-request-MaxResults"></a>
Maximum number of stream processors you want Amazon Rekognition Video to return in the response. The default is 1000.   
Type: Integer  
Valid Range: Minimum value of 1.  
Required: No

 ** [NextToken](#API_ListStreamProcessors_RequestSyntax) **   <a name="rekognition-ListStreamProcessors-request-NextToken"></a>
If the previous response was incomplete (because there are more stream processors to retrieve), Amazon Rekognition Video returns a pagination token in the response. You can use this pagination token to retrieve the next set of stream processors.   
Type: String  
Length Constraints: Maximum length of 255.  
Required: No

## Response Syntax
<a name="API_ListStreamProcessors_ResponseSyntax"></a>

```
{
   "NextToken": "string",
   "StreamProcessors": [ 
      { 
         "Name": "string",
         "Status": "string"
      }
   ]
}
```

## Response Elements
<a name="API_ListStreamProcessors_ResponseElements"></a>

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

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

 ** [NextToken](#API_ListStreamProcessors_ResponseSyntax) **   <a name="rekognition-ListStreamProcessors-response-NextToken"></a>
If the response is truncated, Amazon Rekognition Video returns this token that you can use in the subsequent request to retrieve the next set of stream processors.   
Type: String  
Length Constraints: Maximum length of 255.

 ** [StreamProcessors](#API_ListStreamProcessors_ResponseSyntax) **   <a name="rekognition-ListStreamProcessors-response-StreamProcessors"></a>
List of stream processors that you have created.  
Type: Array of [StreamProcessor](API_StreamProcessor.md) objects

## Errors
<a name="API_ListStreamProcessors_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You are not authorized to perform the action.  
HTTP Status Code: 400

 ** InternalServerError **   
Amazon Rekognition experienced a service issue. Try your call again.  
HTTP Status Code: 500

 ** InvalidPaginationTokenException **   
Pagination token in the request is not valid.  
HTTP Status Code: 400

 ** InvalidParameterException **   
Input parameter violated a constraint. Validate your parameter before calling the API operation again.  
HTTP Status Code: 400

 ** ProvisionedThroughputExceededException **   
The number of requests exceeded your throughput limit. If you want to increase this limit, contact Amazon Rekognition.  
HTTP Status Code: 400

 ** ThrottlingException **   
Amazon Rekognition is temporarily unable to process the request. Try your call again.  
HTTP Status Code: 500

## See Also
<a name="API_ListStreamProcessors_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/rekognition-2016-06-27/ListStreamProcessors) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/ListStreamProcessors)