# DescribeRegistrations


Retrieves the specified registrations.

## Request Syntax


```
{
   "Filters": [ 
      { 
         "Name": "string",
         "Values": [ "string" ]
      }
   ],
   "MaxResults": number,
   "NextToken": "string",
   "RegistrationIds": [ "string" ]
}
```

## Request Parameters


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.

 ** [Filters](#API_DescribeRegistrations_RequestSyntax) **   <a name="pinpoint-DescribeRegistrations-request-Filters"></a>
An array of RegistrationFilter objects to filter the results.  
Type: Array of [RegistrationFilter](API_RegistrationFilter.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 20 items.  
Required: No

 ** [MaxResults](#API_DescribeRegistrations_RequestSyntax) **   <a name="pinpoint-DescribeRegistrations-request-MaxResults"></a>
The maximum number of results to return per each request.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 100.  
Required: No

 ** [NextToken](#API_DescribeRegistrations_RequestSyntax) **   <a name="pinpoint-DescribeRegistrations-request-NextToken"></a>
The token to be used for the next set of paginated results. You don't need to supply a value for this field in the initial request.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `.+`   
Required: No

 ** [RegistrationIds](#API_DescribeRegistrations_RequestSyntax) **   <a name="pinpoint-DescribeRegistrations-request-RegistrationIds"></a>
An array of unique identifiers for each registration.  
Type: Array of strings  
Array Members: Minimum number of 0 items. Maximum number of 5 items.  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `[A-Za-z0-9_:/-]+`   
Required: No

## Response Syntax


```
{
   "NextToken": "string",
   "Registrations": [ 
      { 
         "AdditionalAttributes": { 
            "string" : "string" 
         },
         "ApprovedVersionNumber": number,
         "CreatedTimestamp": number,
         "CurrentVersionNumber": number,
         "LatestDeniedVersionNumber": number,
         "RegistrationArn": "string",
         "RegistrationId": "string",
         "RegistrationStatus": "string",
         "RegistrationType": "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_DescribeRegistrations_ResponseSyntax) **   <a name="pinpoint-DescribeRegistrations-response-NextToken"></a>
The token to be used for the next set of paginated results. You don't need to supply a value for this field in the initial request.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `.+` 

 ** [Registrations](#API_DescribeRegistrations_ResponseSyntax) **   <a name="pinpoint-DescribeRegistrations-response-Registrations"></a>
An array of RegistrationInformation objects.  
Type: Array of [RegistrationInformation](API_RegistrationInformation.md) objects

## Errors


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

 ** AccessDeniedException **   
The request was denied because you don't have sufficient permissions to access the resource.    
 ** Reason **   
The reason for the exception.
HTTP Status Code: 400

 ** InternalServerException **   
The API encountered an unexpected error and couldn't complete the request. You might be able to successfully issue the request again in the future.    
 ** RequestId **   
The unique identifier of the request.
HTTP Status Code: 500

 ** ResourceNotFoundException **   
A requested resource couldn't be found.    
 ** ResourceId **   
The unique identifier of the resource.  
 ** ResourceType **   
The type of resource that caused the exception.
HTTP Status Code: 400

 ** ThrottlingException **   
An error that occurred because too many requests were sent during a certain amount of time.  
HTTP Status Code: 400

 ** ValidationException **   
A validation exception for a field.    
 ** Fields **   
The field that failed validation.  
 ** Reason **   
The reason for the exception.
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/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/pinpoint-sms-voice-v2-2022-03-31/DescribeRegistrations)