Updated on 2026-03-16 GMT+08:00

Deleting a Read Replica

Function

This API is used to delete a read replica. For multi-AZ deployment, the primary node and remaining read replicas must be located in different AZs after read replicas are deleted. Before calling this API:

Learn how to authenticate it.
Obtain the required region and endpoint.

URI

DELETE /v3/{project_id}/instances/{instance_id}/nodes/{node_id}

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value contains 32 characters. Only letters and digits are allowed. Default Value N/A
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value contains 36 characters with a suffix of in07. Only letters and digits are allowed. Default Value N/A
node_id	Yes	String	Definition Node ID. Constraints N/A Range The value contains 36 characters, starting with a UUID and ending with no07. Only letters and digits are allowed. Default Value N/A

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. To obtain this value, call the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the token value. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Request language type. Constraints N/A Range en-us zh-cn Default Value en-us

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
job_id	String	Definition Task ID. Range N/A
order_id	String	Definition Order ID. This parameter is only returned for yearly/monthly instances. Range N/A

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Deleting a read replica of a DB instance

DELETE https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/3d39c18788b54a919bab633874c159dfin01/nodes/096c0fc43e804757b59946b80dc27f8bin07

Example Response

Status code: 200

Success.

{
  "job_id" : "04efe8e2-9255-44ae-a98b-d87cae411890"
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Instance Management