curl --request POST \
  --url http://{defaultHost}/api/v2/platform/roles \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "role": {
    "name": "vendor"
  }
}
'

{
  "data": {
    "id": "5",
    "type": "role",
    "attributes": {
      "name": "Role 5",
      "created_at": "2022-11-08T19:35:07.110Z",
      "updated_at": "2022-11-08T19:35:07.110Z"
    }
  }
}