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ApsaraMQ for MQTT:GetRegisterCode

Last Updated:Jul 31, 2025

Obtains the registration code of a specific certificate authority (CA) certificate. When you register a CA certificate with an ApsaraMQ for MQTT broker, you must upload the validation certificate of the CA certificate to verify whether you have the private key of the CA certificate. The validation certificate of a CA certificate must be generated by using the registration code of the CA certificate.

Operation description

  • Only ApsaraMQ for MQTT Enterprise Platinum Edition instances support this operation.
  • You can call this operation up to 500 times per second per Alibaba Cloud account. If you want to increase the limit, join the DingTalk group (ID: 35228338) to contact ApsaraMQ for MQTT technical support.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
mq:GetRegisterCodeget
*Instance
acs:mq:{#regionId}:{#accountId}:{#InstanceId}
    none
  • mq:MqttInstanceAccess

Request parameters

ParameterTypeRequiredDescriptionExample
MqttInstanceIdstringYes

The ID of the ApsaraMQ for MQTT instance.

post-cn-7mz2d******

Response parameters

ParameterTypeDescriptionExample
object

The response parameters.

RequestIdstring

The request ID.

020F6A43-19E6-4B6E-B846-44EB31DF****
RegisterCodestring

The registration code of the CA certificate.

13274673-8f90-4630-bea1-9cccb25756ad2089******

Examples

Sample success responses

JSONformat

{
  "RequestId": "020F6A43-19E6-4B6E-B846-44EB31DF****",
  "RegisterCode": "13274673-8f90-4630-bea1-9cccb25756ad2089******"
}

Error codes

HTTP status codeError codeError message
500ParameterFieldCheckFailedFailed to validate the parameters. The parameters may be missing or invalid.
500MqttInstanceNotFoundSpecified instance is not found
500MqttOwnerCheckErrorFailed to validate the instance permission

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2025-02-18The Error code has changedView Change Details
2022-08-24The Error code has changedView Change Details