You can call this operation to create an RDS instance.

Before performing this operation, make sure that you fully understand the billing methods and pricing of RDS.

For more information about RDS instance types, see Instance types.

Debugging

You can use OpenAPI Explorer to perform debugging. OpenAPI Explorer provides various functions to simplify API usage. For example, you can retrieve APIs, call APIs, and generate SDK sample code.

Request parameters

Parameter Type Required Example Description
Action String Yes CreateDBInstance

The operation that you want to perform. Set this parameter to CreateDBInstance.

RegionId String Yes cn-hangzhou

The ID of the region. You can call the DescribeRegions API operation to view the available regions of Alibaba Cloud.

Engine String Yes MySQL

The engine type of the database. Valid values:

  • MySQL
  • SQLServer
  • PostgreSQL
  • PPAS
  • MariaDB
EngineVersion String Yes 5.6

The version of the database. Valid values:

  • MySQL: 5.5 | 5.6 | 5.7 | 8.0.
  • SQL Server: 2008r2 | 2012 | 2012_ent_ha | 2012_std_ha | 2012_web | 2016_ent_ha | 2016_std_ha | 2016_web | 2017_ent.
  • PostgreSQL: 9.4 | 10.0.
  • PPAS: 9.3 | 10.0.
  • MariaDB: 10.3.
DBInstanceClass String Yes rds.mysql.s1.small

The instance type (specifications). For more information, see Instance types.

DBInstanceStorage Integer Yes 20

The storage capacity of the instance. Unit: GB.

This value must be a multiple of 5. For more information, see Instance type list.

DBInstanceNetType String Yes Internet

The network type of the instance. Valid values:

  • Internet
  • Intranet
PayType String Yes Postpaid

The billing method of the instance. Valid values:

  • Postpaid: Pay-As-You-Go
  • Prepaid: Subscription
SecurityIPList String Yes 10.23.12.27/24

The IP address whitelist of the instance. Separate multiple IP addresses with commas (,). It can include up to 1,000 IP addresses. The IP addresses support two formats:

  • IP address format. For example, 10.23.12.24.
  • Classless Inter-Domain Routing (CIDR) format. For example, 10.23.12.24/24 (where /24 indicates the number of bits for the prefix of the IP address, in the range of 1 to 32.)
SystemDBCharset String No GBK

The character set. Valid values:

  • MySQL or MariaDB: utf8 | gbk | latin1 | utf8mb4.
  • SQL Server: Chinese_PRC_CI_AS | Chinese_PRC_CS_AS | SQL_Latin1_General_CP1_CI_AS | SQL_Latin1_General_CP1_CS_AS | Chinese_PRC_BIN.
DBInstanceDescription String No Test database

The instance description. It starts with a letter and contains 2 to 256 characters, including letters, digits, underscores (_), and hyphens (-).

Note It cannot start with http:// or https://.
ClientToken String No ETnLKlblzczshOTUbOCzxxxxxxxxxx

The client token that is used to guarantee the idempotency of requests. The client token is generated by the client and is unique among different requests. It is a string of up to 64 ASCII characters.

ZoneId String No cn-hangzhou-b

The ID of the zone.
InstanceNetworkType String No Classic

The network type of the instance. Valid values:

  • VPC
  • Classic

Default value: Classic

Note
  • SQL Server 2017 Cluster Edition supports only the VPC network.
  • For MariaDB, this parameter is required.
ConnectionMode String No Standard

The access mode of the instance. Valid values:

  • Standard: standard mode.
  • Safe: database proxy mode.
Note SQL Server 2012, 2016, and 2017 support only the standard mode.
VPCId String No vpc-xxxxxxxxxxxx

The ID of the VPC.

Note For MariaDB, this parameter is required.
VSwitchId String No vsw-xxxxxxxxxxx

The ID of the VSwitch. Separate multiple IDs with commas (,).

Note For MariaDB, this parameter is required.
PrivateIpAddress String No 172.16.201.69

The intranet IP address of the instance. It must be within the IP address range provided by the switch. By default, the system automatically assigns an IP address based on the VPCId and VSwitchId.

Period String No Year

The prepayment period of the instance. Valid values:

  • Year
  • Month
Note If the billing method is Prepaid, this parameter is required.
UsedTime String No 2

The subscription length. Valid values:

  • If the Period parameter is set to Year, the value of the UsedTime parameter ranges from 1 to 3.
  • If the Period parameter is set to Month, the value of the UsedTime parameter ranges from 1 to 9.
Note If the billing method is Prepaid, this parameter is required.
AutoRenew String No true
Indicates whether the instance is automatically renewed. Valid values:
  • true
  • false
Note
  • If the Period parameter is set to Year, the automatic renewal period is 1 year.
  • If the Period parameter is set to Month, the automatic renewal period is 1 month.
DBInstanceStorageType String No cloud_ssd

The storage type of the instance. Valid values:

  • local_ssd: local SSD (recommended).
  • cloud_ssd: cloud SSD.
BusinessInfo String No 121436975448952

The extended business information.

Response parameters

Parameter Type Example Description
DBInstanceId String rm-uf6wjk5xxxxxxxxxx

The ID of the instance.
OrderId String 1007893702xxxxx

The ID of the order.
ConnectionString String rm-uf6wjk5xxxxxxx.mysql.rds.aliyuncs.com

The connection address of the database.
Port String 3306

The port of the database.

Note The DBInstanceNetType parameter determines whether the value of this parameter is a port for establishing a private or public connection.
RequestId String 1E43AAE0-BEE8-43DA-860D-EAF2AA0724DC

The ID of the request.

Examples

Request example


http(s)://rds.aliyuncs.com/?Action=CreateDBIsnstance
&RegionId=cn-hangzhou
&Engine=MySQL
&EngineVersion=5.6
&DBInstanceClass=rds.mysql.s1.small 
&DBInstanceStorage=20 
&DBInstanceNetType=Internet
&PayType=Postpaid
&SecurityIPList=10.23.12.27/24 
&<Common request parameters>

Normal response examples

XML format 

<CreateDBInstanceResponse>
	  <OrderId>1007893702xxxxx</OrderId>
	  <ConnectionString>rm-uf6wjk5xxxxxxx.mysql.rds.aliyuncs.com</ConnectionString>
	  <DBInstanceId>rm-uf6wjk5xxxxxxx</DBInstanceId>
	  <Port>3306</Port>
	  <RequestId>1E43AAE0-BEE8-43DA-860D-EAF2AA0724DC</RequestId></CreateDBInstanceResponse>

JSON format 

{
	"Port":"3306",
	"ConnectionString":"rm-uf6wjk5xxxxxxx.mysql.rds.aliyuncs.com",
	"RequestId":"1E43AAE0-BEE8-43DA-860D-EAF2AA0724DC",
	"DBInstanceId":"rm-uf6wjk5xxxxxxx",
	"OrderId":"1007893702xxxxx"
}

Error codes

HTTP status code Error code Error message Description
400 InvalidZoneId.NotSupported The Specified vpc Zone not supported. The zone does not support VPC instances. Change the zone and retry.

For a list of error codes, visit the API Error Center