# API Overview

GaussDB(openGauss) APIs enable you to use all GaussDB(openGauss) functions, including creating/deleting DB instances and scaling up instance storage space.

Type | Subtype | Description
--- | --- | ---
GaussDB(openGauss) APIs | DB Instance Management | Manage DB instances, including creating a DB instance, scaling up instance storage space, delete a DB instance, obtaining a DB instance list, obtaining a specified DB instance, adding Coordinator Nodes (CNs), adding shards, resetting a database password, and change a DB instance name.
Parameter Configuration | Modify parameters of a specified DB instance.
Backup Management | Set an automated backup policy.