# ListPackageVersions
<a name="API_ListPackageVersions"></a>

Lists the software package versions associated to the account.

Requires permission to access the [ListPackageVersions](https://docs.amazonaws.cn/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions) action.

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

```
GET /packages/packageName/versions?maxResults=maxResults&nextToken=nextToken&status=status HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [maxResults](#API_ListPackageVersions_RequestSyntax) **   <a name="iot-ListPackageVersions-request-uri-maxResults"></a>
The maximum number of results to return at one time.  
Valid Range: Minimum value of 1. Maximum value of 100.

 ** [nextToken](#API_ListPackageVersions_RequestSyntax) **   <a name="iot-ListPackageVersions-request-uri-nextToken"></a>
The token for the next set of results.

 ** [packageName](#API_ListPackageVersions_RequestSyntax) **   <a name="iot-ListPackageVersions-request-uri-packageName"></a>
The name of the target software package.  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9-_.]+`   
Required: Yes

 ** [status](#API_ListPackageVersions_RequestSyntax) **   <a name="iot-ListPackageVersions-request-uri-status"></a>
The status of the package version. For more information, see [Package version lifecycle](https://docs.amazonaws.cn/iot/latest/developerguide/preparing-to-use-software-package-catalog.html#package-version-lifecycle).  
Valid Values: `DRAFT | PUBLISHED | DEPRECATED` 

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

The request does not have a request body.

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

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

{
   "nextToken": "string",
   "packageVersionSummaries": [ 
      { 
         "creationDate": number,
         "lastModifiedDate": number,
         "packageName": "string",
         "status": "string",
         "versionName": "string"
      }
   ]
}
```

## Response Elements
<a name="API_ListPackageVersions_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_ListPackageVersions_ResponseSyntax) **   <a name="iot-ListPackageVersions-response-nextToken"></a>
The token for the next set of results.  
Type: String

 ** [packageVersionSummaries](#API_ListPackageVersions_ResponseSyntax) **   <a name="iot-ListPackageVersions-response-packageVersionSummaries"></a>
Lists the package versions associated to the package.  
Type: Array of [PackageVersionSummary](API_PackageVersionSummary.md) objects

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

 ** InternalServerException **   
Internal error from the service that indicates an unexpected error or that the service is unavailable.  
HTTP Status Code: 500

 ** ThrottlingException **   
The rate exceeds the limit.    
 ** message **   
The message for the exception.
HTTP Status Code: 400

 ** ValidationException **   
The request is not valid.  
HTTP Status Code: 400

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/iot-2015-05-28/ListPackageVersions) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/iot-2015-05-28/ListPackageVersions)