InquiryPriceRunInstances

Last Updated At: 2026-08-03 00:05:04

1. Interface Description

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

This API (InquiryPriceRunInstances) is used to inquire about the price for creating an instance. This API allows only price inquiries for instance configurations within the purchase restriction range. For details, see RunInstances.

Default interface request rate limit: 10 times per second.

Interface update time: 2022-10-28 03:28:18.

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: InquiryPriceRunInstances
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
InstanceChargeType No No String Instance billing type.
  • PREPAID: Prepaid, that is, a monthly subscription mode
  • POSTPAID_BY_HOUR: Pay-per-hour postpaid
    Default value: POSTPAID_BY_HOUR.
    Example: PREPAID
  • InstanceChargePrepaid No No InstanceChargePrepaid 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
    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
    InstanceType No No String Instance model. Different instance models specify different resource specifications. You can obtain the specific values by calling the API DescribeInstanceTypeConfigs to obtain the latest specification table. If this parameter is not specified, the default model is S1.SMALL1.
    Example: S5.MEDIUM2
    ImageId Yes No String Specify a valid Image ID, in the format of img-xxx. There are four types of images:
  • Public Image
  • Custom Image
  • Shared Image
  • Service Market Image

  • You can obtain available image IDs in the following ways:
  • The image IDs for the Public ImageCustom Image, and Shared Image can be queried by logging in to the Console.
    Example: img-pmqg1cw7
  • SystemDisk No No SystemDisk Instance system disk configuration information. If this parameter is not specified, it will be assigned based on the system default values.
    Example:View
    DataDisks No No Array of DataDisk Instance data disk configuration information. If this parameter is not specified, no data disks are purchased by default. Multiple data disks can be specified when purchasing.
    Example:View
    VirtualPrivateCloud No No VirtualPrivateCloud VPC-related information configuration. You can specify information such as VPC ID and subnet ID through this parameter. If this parameter is not specified, use the basic network by default. If a VPC IP is specified in this parameter, the InstanceCount parameter can only be 1.
    Example:View
    InternetAccessible No No InternetAccessible Public bandwidth-related settings. If this parameter is not specified, the public bandwidth is 0 Mbps by default.
    Example:View
    InstanceCount No No Int64 Number of instances to purchase. Value range: [1,100]. Default value: 1. The specified number of instances to purchase should not exceed the remaining quota of the user.
    Example: 1
    InstanceName No No String Instance display name. If not specified, it will be displayed as unnamed by default.
    Example: myInstance
    LoginSettings No No LoginSettings Instance login settings. You can set login method, password, or key of the instance or retain the original login settings of the image. By default, a password will be randomly generated and notified to the user through Message Center.
    Example:View
    SecurityGroupIds No No Array of String Security groups to which an instance belongs. If this parameter is not specified, do not bind the security group by default.
    Example: ["sg-efil73jd"]
    EnhancedService No No EnhancedService Enhanced services. You can specify whether to enable services such as Cloud Security and Cloud Monitor through this parameter. If this parameter is not specified, the Cloud Monitor and Cloud Security is enabled by default.
    Example:View
    ClientToken No No String String used to ensure request idempotency. This string is generated by the customer and should be unique across different requests. The maximum length should be no more than 64 ASCII characters. If this parameter is not specified, the idempotency of the request cannot be ensured.
    For more detailed information, see: How to Ensure Idempotency.
    Example: 4668722c-b6d6-4f79-96fd-097ebe5318e5
    PurchaseSource No No String Internal parameters, purchase source. The source of the front-end call is MC.
    Example: API

    3. Output Parameters

    Parameter name Type Description
    Price Price This parameter indicates the price for the corresponding configuration instance.
    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
    InvalidParameterValue Invalid parameter value. The format of the parameter value is incorrect or not supported, etc.
    AccountQualificationRestrictions The requesting account did not pass the qualification audit.
    InvalidParameterValue.Range Invalid parameter value. The range of the parameter value is not legal.
    InvalidInstanceName.TooLong The string length of the specified InstanceName exceeds the limit. It should be less than or equal to 60 bytes.
    InvalidParameterCombination It indicates that the parameter combination is incorrect.
    InvalidInstanceType.Malformed The parameter format of the specified InstanceType is invalid.
    InvalidHostId.NotFound The specified HostId does not exist, or does not belong to the requesting account.
    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.
    InstancesQuotaLimitExceeded It indicates that the number of instances being created exceeds the remaining quota allowed for purchase by the account.
    InvalidZone.MismatchRegion The specified zone does not exist.
    InvalidClientToken.TooLong The string length of the specified ClientToken exceeds the limit. It should be less than or equal to 64 bytes.
    MissingParameter Parameters are missing. The request did not include mandatory parameters.
    InvalidPassword Invalid password. The specified password does not meet password complexity restrictions. For example, the password length does not meet restrictions.
    InvalidPermission The account does not support this operation.
    InternalError.TradeUnknownError An internal billing error occurred.