# Get snapshot service upgrade/downgrade price - DescribeSnapshotServiceUpgradePrice

## Overview

Get snapshot service upgrade/downgrade price






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `DescribeSnapshotServiceUpgradePrice`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.dezai.com/uaccount/api_manage)                                             | **Yes** |
| **Signature**  | string  | User signature generated based on public key and API command, see [Signature Algorithm](/docs/api/summary/signature.md)  | **Yes** |

### Request Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Region** | string | Region. See [List of Regions and Availability Zones](/docs/api/summary/regionlist) |**Yes**|
| **Zone** | string | Availability Zone. See [Availability Zone List](/docs/api/summary/regionlist) |**Yes**|
| **ProjectId** | string | Project ID. If not filled in, the default project is used, sub-accounts must be filled in. Please refer to the [GetProjectList interface](/docs/api/summary/get_project_list). |No|
| **VDiskId** | string | Disk ID |**Yes**|
| **Size** | int | Disk Size |**Yes**|
| **SnapshotsvcMode** | string | Upgrade and downgrade snapshot service, upgrade 'Yes', downgrade 'No', default is 'No' |No|

### Response Field

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RetCode** | int | Return status code. If it is 0, it means successful return. If it is not 0, it means failure. |**Yes**|
| **Action** | string | Operation command name. |**Yes**|
| **Message** | string | Returns an error message, providing detailed description when `RetCode` is non-zero. |No|
| **Price** | int | Price |No|
| **OriginalPrice** | int | Price After Discount |No|




## Example

### Request Example
    
```
https://api.dezai.com/?Action=DescribeSnapshotServiceUpgradePrice
&Region=cn-zj
&Zone=cn-zj-01
&ProjectId=NvgLPFtr
&Size=JwYMBiJa
&ChargeType=sWpjfJKS
&Quantity=vfmqQHRM
```

### Response Example
    
```json
{
  "Action": "DescribeSnapshotServiceUpgradePriceResponse",
  "DataSet": [
    {
      "ChargeType": "SLyCPArE",
      "ListPrice": 5,
      "OriginalPrice": 7,
      "Price": 8
    }
  ],
  "OriginalPrice": "ZTOBsYaj",
  "Price": 5,
  "RetCode": 0
}
```