InquiryPriceAllocateHosts

Last Updated At: 2026-08-02 00:05:20

1. Interface Description

Interface request domain name: cvm.api3.convergecloud.com.

Inquire about Price for Creating CDH Instance (When HostChargeType is PREPAID, you must specify the HostChargePrepaid parameter.)
Version 3100 and later versions only support the postpaid mode, but do not support the prepaid mode. Passing prepaid parameters will result in an error.

Default interface request rate limit: 10 times per second.

Interface update time: 2022-05-21 06:19:38.

The interface only verifies the signature but does not authenticate.

2. Input Parameters

The following list of request parameters only lists interface request parameters and some public parameters, For a complete list of public parameters see public request parameters.

Parameter name Required Allow NULL Type Description
Action Yes No String Public parameter, The value of this interface: InquiryPriceAllocateHosts
Version Yes No String Public parameter, The value of this interface: 2017-03-12
Region No No String Public parameter,Regional information A list of supported geographies is available through the DescribeRegions interface
ClientToken No No String String used to ensure request idempotency.
Example: 4668722c-b6d6-4f79-96fd-097ebe5318e5
Placement Yes No Placement Location of the instance. You can specify attributes such as the availability zone and project to which the instance belongs through this parameter.
Example:View
HostChargePrepaid No No ChargePrepaid Prepaid mode, that is, monthly subscription-related parameter settings. You can specify attributes of a monthly subscription instance, such as purchase duration and whether to set auto-renewal, through this parameter. If the billing mode of the specified instance is prepaid mode, this parameter is required.
Example:View
HostChargeType Yes No String Instance billing type. Currently, PREPAID (prepaid, that is, a monthly subscription mode) and POSTPAID_BY_HOUR (pay-per-hour postpaid) are supported. If this parameter is not passed, postpaid by default.
Example: PREPAID
HostType Yes No String CDH instance model. If this parameter is not passed, the default model is HS20.
Example: HS1
HostCount No No Uint64 Number of purchased CDH instances.
Example: 1
DryRun No No Bool Whether to skip the actual execution logic.
Example: false
PurchaseSource No No String Purchase source, API and MC (MC indicates front-end call).
Example: MC

3. Output Parameters

Parameter name Type Description
Price HostPrice Price Information of CDH Instance Creation
Example:View
RequestId String Unique request id, Each request will return. The RequestId of the request needs to be provided when locating the problem.

4. Error Code

The following lists only the error codes related to the interface business logic, For other error codes, see public ErrorCode.

Error Code Description
InvalidRegion.NotFound The specified zone was not found.
InvalidPeriod Invalid duration. Currently, only the following durations are supported: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24, 36], unit: months.
InvalidProjectId.NotFound Invalid project ID. The specified project ID does not exist.
InvalidZone.MismatchRegion The specified zone does not exist.