#### 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.

**CAIP2**  
string  
required  
CAIP-2 identifier of the chain to unregister (e.g. "eip155:1337").

# 
```
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.
```

---

**Base URL**  
https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/unregisterChain

```bash
curl --request POST \
     --url https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/unregisterChain \
     --header 'accept: application/json' \
     --header 'content-type: application/json'
```

Click `Try It!` to start a request and see the response here! Or choose an example:

**Response Codes:**  
- `200`
- `400`
- `500`