For AI agents: visit [this link](https://vault.docs.blockdaemon.com/llms.txt) for an index of all pages formatted in Markdown and endpoints in OpenAPI.

| Time | Status | User Agent |  |
| :-- | :-- | :-- | :-- |
| Make a request to see history. |

#### 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: *required*
- **TestNet**  
  boolean: true/false
- **CAIP19**  
  string: *required*
- **NativeAssetSymbol**  
  string: *required*
- **NativeAssetDecimals**  
  integer

### 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 Usage

Base URL:  
`https://api.your-wallet.blockdaemon-wallet.com/api/cwp/operations/start/registerCustomChain`

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

Select the appropriate response code:

- application/json
- ``200``
- ``400``
- ``500``