API Overview

DDS provides extension APIs, allowing you to perform specific operations using APIs.

**Table 1** API description
Type	Description
API Version Queries	Query all API versions. Query a specified API version.
Database Version Information Queries	Obtain database version information about a specified instance type.
All DB Instance Specifications Queries	Query all DB instance specifications in a specified region.
DB Instance Management	Manage DB instances, including creating a DB instance, deleting a DB instance, querying DB instances, adjusting instance storage space, adding nodes of cluster instances, and changing DB instance specifications.
Backup and Restoration	Back up and restore data, including creating a manual backup, deleting a manual backup, setting an automated backup policy, and querying an automated backup policy.
Tag Management	Manage tags, including querying resources by tag, adding and deleting a tag or tags, and querying resource tags and project tags.