Last updated: 2020-12-01 20:30:28

1. API Description

Domain name for API request:

This API is used to create one or more TencentDB for PostgreSQL instances.

A maximum of 20 requests can be initiated per second for this API.

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example:

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: CreateDBInstances.
Version Yes String Common parameter. The value used for this API: 2017-03-12.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
SpecCode Yes String Purchasable specification ID, which can be obtained through the SpecCode field in the returned value of the DescribeProductConfig API.
DBVersion Yes String PostgreSQL kernel version. Currently, only two versions are supported: 9.3.5 and 9.5.4.
Storage Yes Integer Instance capacity size in GB.
InstanceCount Yes Integer Number of instances purchased at a time. Value range: 1-100.
Period Yes Integer Length of purchase in months. Currently, only 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, and 36 are supported.
Zone Yes String AZ ID, which can be obtained through the Zone field in the returned value of the DescribeZones API.
ProjectId No Integer Project ID.
InstanceChargeType No String Instance billing type.
AutoVoucher No Integer Whether to automatically use vouchers. 1: yes, 0: no. Default value: no.
VoucherIds.N No Array of String Voucher ID list (only one voucher can be specified currently).
VpcId No String VPC ID.
SubnetId No String VPC subnet ID.
AutoRenewFlag No Integer Renewal flag. 0: normal renewal (default), 1: auto-renewal.
ActivityId No Integer Activity ID
Name No String Instance name (which will be supported in the future)
NeedSupportIpv6 No Integer Whether to support IPv6 address access. Valid values: 1 (yes), 0 (no)
TagList.N No Array of Tag The information of tags to be associated with instances. This parameter is left empty by default.

3. Output Parameters

Parameter Name Type Description
DealNames Array of String Order number list. Each instance corresponds to an order number.
BillId String Bill ID of frozen fees
DBInstanceIdSet Array of String ID set of instances which have been created successfully. The parameter value will be returned only when the billing mode is postpaid.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Creating a TencentDB for PostgreSQL instance

Input Example
&<Common request parameters>

Output Example

  "Response": {
    "RequestId": "6ace8140-6b9e-4e81-a8ad-ef3f92b2aa90",
    "DealNames": [
    "DBInstanceIdSet": [
    "BillId": "123"

5. Developer Resources


TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
AuthFailure.UnauthorizedOperation Authentication failed.
FailedOperation.CamAuthFailed CAM authentication failed.
FailedOperation.CreateOrderFailed Failed to create the renewal order.
FailedOperation.InvalidTradeOperate Billing error. Corresponding purchase/renewal/configuration change operations are not allowed for the current instance.
FailedOperation.PayOrderFailed Failed to make order payment.
FailedOperation.QueryPriceFailed Failed to query the price.
FailedOperation.QueryVpcFailed Failed to query VPC.
FailedOperation.QueryVpcFalied Failed to get VPC details.
InternalError.CgwError CGW error.
InternalError.CnsError Basic network error.
InternalError.DBError Backend database execution error.
InternalError.DfwError DFW error.
InternalError.FlowError Failed to create the flow.
InternalError.SystemError System error. When this error occurs, please contact customer service for assistance.
InternalError.UnknownError Unknown error. When this error occurs, please contact customer service for assistance.
InternalError.VpcError VPC error.
InvalidParameter Parameter error.
InvalidParameterValue.AccountExist The current account already exists.
InvalidParameterValue.BadSpec The instance specification to upgrade to is not purchasable.
InvalidParameterValue.IllegalInstanceChargeType Incorrect billing mode.
InvalidParameterValue.IllegalProjectId Invalid ProjectId.
InvalidParameterValue.IllegalRegion Invalid Region parameter.
InvalidParameterValue.IllegalZone Invalid Zone parameter.
InvalidParameterValue.InterfaceNameNotFound Incorrect ACTION.
InvalidParameterValue.InvalidAccountFormat Incorrect account format.
InvalidParameterValue.InvalidAccountName The current account name cannot be a reserved character.
InvalidParameterValue.InvalidCharset Incorrect database character set. Currently, only UTF8 and LATIN1 are supported.
InvalidParameterValue.InvalidInstanceNum The number of purchased instances exceeds the limit.
InvalidParameterValue.InvalidOrderNum Billing error. Invalid order type ID.
InvalidParameterValue.InvalidPasswordFormat Incorrect password format.
InvalidParameterValue.InvalidPid Incorrect PID parameter.
InvalidParameterValue.RegionNotSupported The current region is not supported.
InvalidParameterValue.StructParseFailed An error occurred while parsing parameters.
InvalidPid Incorrect PID parameter.
ResourceInsufficient.ResourceNotEnough There are not enough resources to purchase instances of this specification in the current region.
ResourceUnavailable.InvalidInstanceStatus Incorrect instance status.
ResourceUnavailable.ResourceNoPermission No permission for the VPC.
ResourceUnavailable.VpcResourceNotFound Failed to get the information of the VPC where the instance resides.
UnauthorizedOperation.UserHasNoRealnameAuthentication Unverified user.
UnknownError Unknown error. When this error occurs, please contact customer service for assistance.

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