> For the complete documentation index, see [llms.txt](https://docs.watchdata.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.watchdata.io/blockchain-apis/tron-api/voting-and-srs/createwitness.md).

# CreateWitness

**Body params**: 

* `owner_address` - Owner address, default hexString
* `url` - Website url, default hexString
* `permission_id` - Optional, for multi-signature use
* `visible` - Optional, Whether the address is in base58 format.

**Request**

```
curl --request POST \
     --url https://tron.api.watchdata.io/wallet/createwitness \
     --header 'Accept: application/json' \
     --header 'Content-Type: application/json' \
     --data '
{
     "owner_address": "41d1e7a6bc354106cb410e65ff8b181c600ff14292",
     "url": "007570646174654e616d6531353330363038383733343633",
     "permission_id": 0,
     "visible": true
}
'
```

**Response**

```
{
  "Error": "class java.lang.IllegalArgumentException : Illegal character 0 at 14"
}
```