# UpdateCACertificate


Updates a registered CA certificate.

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

## Request Syntax


```
PUT /cacertificate/caCertificateId?newAutoRegistrationStatus=newAutoRegistrationStatus&newStatus=newStatus HTTP/1.1
Content-type: application/json

{
   "registrationConfig": { 
      "roleArn": "string",
      "templateBody": "string",
      "templateName": "string"
   },
   "removeAutoRegistration": boolean
}
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [caCertificateId](#API_UpdateCACertificate_RequestSyntax) **   <a name="iot-UpdateCACertificate-request-uri-certificateId"></a>
The CA certificate identifier.  
Length Constraints: Fixed length of 64.  
Pattern: `(0x)?[a-fA-F0-9]+`   
Required: Yes

 ** [newAutoRegistrationStatus](#API_UpdateCACertificate_RequestSyntax) **   <a name="iot-UpdateCACertificate-request-uri-newAutoRegistrationStatus"></a>
The new value for the auto registration status. Valid values are: "ENABLE" or "DISABLE".  
Valid Values: `ENABLE | DISABLE` 

 ** [newStatus](#API_UpdateCACertificate_RequestSyntax) **   <a name="iot-UpdateCACertificate-request-uri-newStatus"></a>
The updated status of the CA certificate.  
 **Note:** The status value REGISTER\$1INACTIVE is deprecated and should not be used.  
Valid Values: `ACTIVE | INACTIVE` 

## Request Body


The request accepts the following data in JSON format.

 ** [registrationConfig](#API_UpdateCACertificate_RequestSyntax) **   <a name="iot-UpdateCACertificate-request-registrationConfig"></a>
Information about the registration configuration.  
Type: [RegistrationConfig](API_RegistrationConfig.md) object  
Required: No

 ** [removeAutoRegistration](#API_UpdateCACertificate_RequestSyntax) **   <a name="iot-UpdateCACertificate-request-removeAutoRegistration"></a>
If true, removes auto registration.  
Type: Boolean  
Required: No

## Response Syntax


```
HTTP/1.1 200
```

## Response Elements


If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

## Errors


 ** InternalFailureException **   
An unexpected error has occurred.    
 ** message **   
The message for the exception.
HTTP Status Code: 500

 ** InvalidRequestException **   
The request is not valid.    
 ** message **   
The message for the exception.
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The specified resource does not exist.    
 ** message **   
The message for the exception.
HTTP Status Code: 404

 ** ServiceUnavailableException **   
The service is temporarily unavailable.    
 ** message **   
The message for the exception.
HTTP Status Code: 503

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

 ** UnauthorizedException **   
You are not authorized to perform this operation.    
 ** message **   
The message for the exception.
HTTP Status Code: 401

## See Also


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/UpdateCACertificate) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/iot-2015-05-28/UpdateCACertificate) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/iot-2015-05-28/UpdateCACertificate)