# ListDependencies
<a name="API_ListDependencies"></a>

Lists dependencies discovered for services.

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

```
GET /v2/list-dependencies?maxResults={{maxResults}}&nextToken={{nextToken}}&queryRangeEndTime={{queryRangeEndTime}}&queryRangeGranularity={{queryRangeGranularity}}&queryRangeStartTime={{queryRangeStartTime}}&serviceArn={{serviceArn}} HTTP/1.1
```

## URI Request Parameters
<a name="API_ListDependencies_RequestParameters"></a>

The request uses the following URI parameters.

 ** [maxResults](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-maxResults"></a>
Pagination page size.  
Valid Range: Minimum value of 1. Maximum value of 100.

 ** [nextToken](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-nextToken"></a>
Pagination token.  
Length Constraints: Minimum length of 1. Maximum length of 2000.  
Pattern: `\S{1,2000}` 

 ** [queryRangeEndTime](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-queryRangeEndTime"></a>
The end time for the dependency query range.

 ** [queryRangeGranularity](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-queryRangeGranularity"></a>
The granularity for the dependency query range.  
Valid Values: `HOURLY | DAILY` 

 ** [queryRangeStartTime](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-queryRangeStartTime"></a>
The start time for the dependency query range.

 ** [serviceArn](#API_ListDependencies_RequestSyntax) **   <a name="ngresiliencehub-ListDependencies-request-uri-serviceArn"></a>
ARN identifier.  
Length Constraints: Minimum length of 31.  
Pattern: `arn:(aws|aws-cn|aws-iso|aws-iso-[a-z]{1}|aws-us-gov):[A-Za-z0-9][A-Za-z0-9_/.-]{0,62}:([a-z]{2}-((iso[a-z]{0,1}-)|(gov-)){0,1}[a-z]+-[0-9]):[0-9]{12}:[A-Za-z0-9/][A-Za-z0-9:_/+.-]{0,1023}` 

## Request Body
<a name="API_ListDependencies_RequestBody"></a>

The request does not have a request body.

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

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

{
   "dependencySummaries": [ 
      { 
         "comment": "string",
         "criticality": "string",
         "dependencyId": "string",
         "dependencyName": "string",
         "dnsName": "string",
         "lastDetectedTime": number,
         "location": "string",
         "provider": "string",
         "queryRange": { 
            "dataPoints": [ 
               { 
                  "queryCount": number,
                  "timestamp": number
               }
            ],
            "endTime": number,
            "granularity": "string",
            "startTime": number
         },
         "serviceArn": "string",
         "sourceRegions": [ "string" ]
      }
   ],
   "nextToken": "string"
}
```

## Response Elements
<a name="API_ListDependencies_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.

 ** [dependencySummaries](#API_ListDependencies_ResponseSyntax) **   <a name="ngresiliencehub-ListDependencies-response-dependencySummaries"></a>
The list of dependency summaries.  
Type: Array of [DependencySummary](API_DependencySummary.md) objects

 ** [nextToken](#API_ListDependencies_ResponseSyntax) **   <a name="ngresiliencehub-ListDependencies-response-nextToken"></a>
Pagination token.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2000.  
Pattern: `\S{1,2000}` 

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

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

 ** AccessDeniedException **   
Access denied — caller lacks required permissions.  
HTTP Status Code: 403

 ** InternalServerException **   
Internal service error.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
Resource not found.    
 ** resourceId **   
The identifier of the resource that was not found.  
 ** resourceType **   
The type of the resource that was not found.
HTTP Status Code: 404

 ** ValidationException **   
Validation error — invalid input parameters.    
 ** fieldList **   
The list of fields that failed validation.  
 ** reason **   
The reason for the validation failure.
HTTP Status Code: 400

## See Also
<a name="API_ListDependencies_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/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/resiliencehubv2-2026-02-17/ListDependencies) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/resiliencehubv2-2026-02-17/ListDependencies)