# GetDomain
<a name="API_GetDomain"></a>

Retrieves the details of a domain by ID.

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

 ** domainId **   
The unique ID of the domain.  
Type: String  
Pattern: `d-[0-9a-z]{1,25}`   
Required: Yes

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

The following element is returned by the service.

 ** domain **   
The details of the domain.  
Type: [Domain](API_Domain.md) object

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

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

 ** AccessDeniedException **   
The caller is not authorized to perform this action.  
HTTP Status Code: 403

 ** InternalServerException **   
An unexpected error occurred while processing the request.    
 ** errorCode **   
The error code associated with the internal error.
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The specified resource does not exist.    
 ** errorCode **   
The error code associated with the failure.  
 ** resourceId **   
The identifier of the resource that could not be found. Not always present.  
 ** resourceType **   
The type of the resource that could not be found. Not always present.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was throttled due to exceeding the allowed request rate.    
 ** retryAfterSeconds **   
The number of seconds to wait before retrying the request. Not always present.
HTTP Status Code: 429

 ** ValidationException **   
A parameter is specified incorrectly.    
 ** errorCode **   
The error code associated with the validation failure.
HTTP Status Code: 400

## Examples
<a name="API_GetDomain_Examples"></a>

### Get a domain
<a name="API_GetDomain_Example_1"></a>

The following example retrieves the configuration and status of an Identity Center domain by its ID. Payloads are shown as JSON; on the wire they are CBOR-encoded.

#### Sample Request
<a name="API_GetDomain_Example_1_Request"></a>

```
{
  "domainId": "d-1a2b3c4d5e"
}
```

#### Sample Response
<a name="API_GetDomain_Example_1_Response"></a>

```
{
  "domain": {
    "createdAt": "2026-09-16T14:22:31Z",
    "customEndpointUrls": [
      "https://prod-observability.cloudwatch-omni.global.app.aws"
    ],
    "domainArn": "arn:aws:cloudwatch:us-east-1:123456789012:domain/d-1a2b3c4d5e",
    "domainEndpointUrl": "https://d-1a2b3c4d5e.cloudwatch-omni.global.app.aws",
    "domainId": "d-1a2b3c4d5e",
    "identityCenterApplicationArn": "arn:aws:sso::123456789012:application/ssoins-1234567890abcdef/apl-0f9e8d7c6b5a4938",
    "identityProviderConfiguration": {
      "identityCenterConfiguration": {
        "identityCenterInstanceArn": "arn:aws:sso:::instance/ssoins-1234567890abcdef"
      }
    },
    "identityProviders": [
      "IDC"
    ],
    "name": "prod-observability",
    "region": "us-east-1",
    "status": "ACTIVE",
    "updatedAt": "2026-09-16T14:22:31Z"
  }
}
```

## See Also
<a name="API_GetDomain_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/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for Python (Boto3)](https://docs.aws.amazon.com/goto/boto3/cloudwatchomni-2025-01-01/GetDomain) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudwatchomni-2025-01-01/GetDomain)