Updated on 2025-10-24 GMT+08:00

Modifying a DB Instance Name

This API is used to modify a DB instance name.

The name of the DB instance that is being created or fails to be created cannot be modified.

URI format
PUT /v3/{project_id}/instances/{instance_id}/modify-name
URI example
https://dds.ap-southeast-1.myhuaweicloud.com/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/9136fd2a9fcd405ea4674276ce36dae8in02/modify-name

**Table 1** Path parameters
Name	Mandatory	Type	IN	Description
project_id	Yes	string	path	Explanation: Project ID of a tenant in a region. To obtain the project ID, see Obtaining a Project ID. Constraints: N/A Value range: N/A Default value: N/A
instance_id	Yes	string	path	Explanation: Instance ID, which can be obtained by calling the API described in Querying Instances and Details. If you do not have an instance, call the API described in Creating a DB Instance to create one. Constraints: N/A Value range: N/A Default value: N/A

**Table 2** Request header parameters
Name	Mandatory	Type	IN	Description
X-Auth-Token	Yes	string	header	Definition User token obtained from IAM. For details, see Authentication. Constraints N/A Range N/A Default value: N/A

**Table 3** Parameter description
Name	Type	Mandatory	Description
new_instance_name	String	Yes	Explanation: New instance name. The instance name can be the same as an existing name. Constraints: The instance name must contain 4 to 64 characters and must start with a letter. It is case sensitive and can contain letters, digits, hyphens (-), and underscores (_). It cannot contain other special characters. Value range: N/A Default value: N/A

Changing an instance name to myNewName

{
    "new_instance_name": "myNewName"
}

For more information, see Status Code.

For more information, see Error Code.

Parent topic: DB Instance Management