curl --request PATCH \
  --url https://sitegpt.ai/api/v0/w/brands/{brandId}/users/{userId}/api-key \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "Generated API key of the whitelabel user successfully",
  "data": {
    "userId": "401577831134278614",
    "userEmail": "test@gmail.com",
    "apiKey": "7f488a50-8a5a-9e34-9a04-1dad5bd548c3"
  }
}