# Delete Traditional Load Balancer - DeleteULB

## Overview

Delete Traditional Load Balancer Instance






## Definition

### Public Parameters

| Parameter Name | Type | Description Information | Required |
|:---|:---|:---|:---|
| **Action**     | string  | Corresponding API command name, the current API is `DeleteULB`.                      | **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 |
|:---|:---|:---|:---|
| **Region** | string | Region. See [List of Regions and Availability Zones](/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|
| **ULBId** | string | ID of the traditional load balancing instance |**Yes**|
| **ReleaseEip** | boolean | When deleting CLB, whether to release the bound EIP, 'false' indicates only unbinding the EIP, 'true' means releasing the bound EIP, the default is 'false'. This parameter is invalid for Anycast IP. |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|




## Example

### Request Example
    
```
https://api.scloudsg.com/?Action=DeleteULB
&Region=cn-bj2
&ProjectId=project-XXXX
&ULBId=ulb-XXXX
&ReleaseEip=true
```

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