#### URL Expired

The URL for this request expired after 30 days.

### Optional metadata when starting an operation.

- **OperationID**  
  *string*  
  Unique operation identifier.

- **InitiatorID**  
  *string*  
  Initiator identifier.

- **ChainName**  
  *string*

- **CAIP19**  
  *string*  
  Asset

- **TestNetwork**  
  *boolean*  
  truefalse

- **Account**  
  *string*  
  required

- **MasterKeyName**  
  *string*  
  required

- **ValidatorAddresses**  
  *array of strings*  
  required
  length between 1 and 1

- **ValidatorAddresses***  
  *string*

### Response Codes

```
 200      Operation started
```
```
 400      Invalid input, validation error, or malformed request
```
```
 500      Internal server error. May include an `errorCode` (M-prefixed) and `data` from the MPA error code system. See `cwpapi/errors.go` for codes.
```

### Example Request

Base URL

https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/unstake

```
curl --request POST \
     --url https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/unstake \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "ValidatorAddresses": []
}
'
```

### Response Example

| Status Code | Description |
| :-- | :-- |
| 200 | Successful operation |
| 400 | Bad request |
| 500 | Internal server error |