Querying Application Records of a Parameter Template

Function

This API is used to query application records of a parameter template.

Before calling this API, learn how to authenticate it.
Before calling this API, learn about request header parameters.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
rds:param:get	read	-	-	rds:param:list	-

Constraints

The following DB engines are supported: MySQL, Microsoft SQL Server, and PostgreSQL.

URI

URI format
GET /v3/{project_id}/configurations/{config_id}/apply-histories

Parameter description

**Table 1** Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition: Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints: N/A Range: N/A Default Value: N/A
config_id	Yes	String	Definition: Parameter template ID. Constraints: N/A Range: N/A Default Value: N/A
offset	No	Integer	Definition: Index offset. The query starts from the next piece of data indexed by this parameter. Constraints: N/A Range The value is a number greater than or equal to 0. Default Value 0: The query starts from the first data record.
limit	No	Integer	Definition: Number of records returned by a query. Constraints: N/A Range [1, 100] Default Value 10

Request

Request parameters
None

URI example

https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/configurations/31fd23f61cc946b898a59adbfa71d18fpr01/apply-histories

Response

Normal response

**Table 2** Parameters
Parameter	Type	Description
total_count	Integer	Definition: Total number of parameter template application records. Range: N/A
histories	Array of objects	Definition: List of historical application details. For details, see Table 3.

**Table 3** Data structure description of field histories
Parameter	Type	Description
instance_id	String	Definition: ID of the instance to which the parameter template is applied. Range: N/A
instance_name	String	Definition: Name of the instance to which the parameter template is applied. Range: N/A
apply_result	String	Definition: Result of applying the parameter template. Range: N/A
apply_time	String	Definition: Time when the parameter template is applied. Range: N/A
error_code	String	Definition: Error code displayed when you submit the request to apply the parameter template. Range: N/A

Example normal response

{
  "histories": [
    {
      "instance_id": "3b197204c9f8421690f2e671ee73a8a2in01",
      "instance_name": "TestInstance",
      "apply_result": "SUCCESS",
      "apply_time": "2025-08-05T11:11:50+0000",
      "error_code": ""
    }
  ],
  "total_count": 1
}