{
  "data": {
    "user_id": 123,
    "user_name": "john_doe"
  },
  "message": "User retrieved successfully."
}

{
  "data": [
    { "user_id": 123, "user_name": "john_doe" },
    { "user_id": 456, "user_name": "jane_doe" }
  ],
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_pages": 5
  },
  "message": "Users retrieved successfully."
}

{
  "data": [],
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_pages": null
  },
  "message": "Users retrieved successfully."
}

{
  "error": {
    "key": "USER_NOT_FOUND",
    "message": "The specified user does not exist."
  }
}

{
  "errors": [
    {
      "parameter": "user_name",
      "message": "User name is not long enough.",
      "key": "USER_NAME_NOT_LONG_ENOUGH"
    }
  ]
}

HTTP/1.1 200 OK
Allow: GET,HEAD,POST,OPTIONS
Content-Length: 0

HTTP/1.1 200 OK
X-RateLimit-Limit: 1000
X-RateLimit-Remaining: 742
X-RateLimit-Reset: 1705228800

HTTP/1.1 429 Too Many Requests
Retry-After: 60
X-RateLimit-Limit: 1000
X-RateLimit-Remaining: 0
X-RateLimit-Reset: 1705228800

{
  "error": {
    "key": "RATE_LIMIT_EXCEEDED",
    "message": "Too many requests. Please retry after the rate limit window resets."
  }
}