# Get the list of regions and availability zones - GetRegion

## Overview

Obtain user's permissions and other information in various data centers






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `GetRegion`.                      | **Yes** |
| **PublicKey**  | string  | The user's public key can be obtained from [Console](https://console.scloudsg.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 |
|:---|:---|:---|:---|

### 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|
| **Regions** | array[[*RegionInfo*](#regioninfo)] | Information of Each Data Center |No|

#### Data Model


#### RegionInfo

| Field Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **RegionId** | int | Data Center ID |**Yes**|
| **RegionName** | string | Data Center Name |**Yes**|
| **IsDefault** | boolean | Is the user's current default data center |**Yes**|
| **BitMaps** | string | The permission bit of the user in this data center |**Yes**|
| **Region** | string | Region name, such as cn-bj |**Yes**|
| **Zone** | string | Availability zone name, such as cn-bj-01 |**Yes**|

## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=GetRegion
```

### Response Example
    
```json
{
  "Action": "GetRegionResponse",
  "RetCode": 0
}
```