# ListWorkflowDefinitions


Lists all workflow definitions in your account with optional filtering and pagination.

## Request Syntax


```
POST /workflow-definitions?maxResults=maxResults&nextToken=nextToken HTTP/1.1
Content-type: application/json

{
   "sortOrder": "string"
}
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [maxResults](#API_ListWorkflowDefinitions_RequestSyntax) **   <a name="novaact-ListWorkflowDefinitions-request-uri-maxResults"></a>
The maximum number of workflow definitions to return in a single response.  
Valid Range: Minimum value of 1. Maximum value of 100.

 ** [nextToken](#API_ListWorkflowDefinitions_RequestSyntax) **   <a name="novaact-ListWorkflowDefinitions-request-uri-nextToken"></a>
The token for retrieving the next page of results.  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `\S*` 

## Request Body


The request accepts the following data in JSON format.

 ** [sortOrder](#API_ListWorkflowDefinitions_RequestSyntax) **   <a name="novaact-ListWorkflowDefinitions-request-sortOrder"></a>
The sort order for the returned workflow definitions (ascending or descending).  
Type: String  
Valid Values: `Ascending | Descending`   
Required: No

## Response Syntax


```
HTTP/1.1 200
Content-type: application/json

{
   "nextToken": "string",
   "workflowDefinitionSummaries": [ 
      { 
         "createdAt": "string",
         "status": "string",
         "workflowDefinitionArn": "string",
         "workflowDefinitionName": "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.

 ** [nextToken](#API_ListWorkflowDefinitions_ResponseSyntax) **   <a name="novaact-ListWorkflowDefinitions-response-nextToken"></a>
The token for retrieving the next page of results, if available.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `\S*` 

 ** [workflowDefinitionSummaries](#API_ListWorkflowDefinitions_ResponseSyntax) **   <a name="novaact-ListWorkflowDefinitions-response-workflowDefinitionSummaries"></a>
A list of summary information for workflow definitions.  
Type: Array of [WorkflowDefinitionSummary](API_WorkflowDefinitionSummary.md) objects

## Errors


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

 [AccessDeniedException](API_AccessDeniedException.md)   
You don't have sufficient permissions to perform this action.    
 ** message **   
You don't have sufficient permissions to perform this action. Verify your IAM permissions and try again.
HTTP Status Code: 403

 [InternalServerException](API_InternalServerException.md)   
An internal server error occurred. Please try again later.    
 ** message **   
The service encountered an internal error. Try again later.  
 ** reason **   
The reason for the internal server error.  
 ** retryAfterSeconds **   
The number of seconds to wait before retrying the request.
HTTP Status Code: 500

 [ThrottlingException](API_ThrottlingException.md)   
The request was throttled due to too many requests. Please try again later.    
 ** message **   
The request was denied due to request throttling.  
 ** quotaCode **   
The quota code related to the throttling.  
 ** retryAfterSeconds **   
The number of seconds to wait before retrying the throttled request.  
 ** serviceCode **   
The service code where throttling occurred.
HTTP Status Code: 429

 [ValidationException](API_ValidationException.md)   
The input parameters for the request are invalid.    
 ** fieldList **   
The list of fields that failed validation.  
 ** message **   
The input fails to satisfy the constraints specified by the service.  
 ** reason **   
The reason for the validation failure.
HTTP Status Code: 400

## See Also


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/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/nova-act-2025-08-22/ListWorkflowDefinitions) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/nova-act-2025-08-22/ListWorkflowDefinitions)