HTTP Status 404 - Not Found

GET /api/users/99999 HTTP/1.1
Host: api.example.com

HTTP/1.1 404 Not Found
Content-Type: application/json

{
  "error": "not_found",
  "message": "User with ID 99999 not found",
  "resource_type": "User",
  "resource_id": "99999"
}

GET /api/nonexistent-endpoint HTTP/1.1
Host: api.example.com

HTTP/1.1 404 Not Found
Content-Type: application/json

{
  "error": "endpoint_not_found",
  "message": "The requested endpoint does not exist",
  "path": "/api/nonexistent-endpoint",
  "available_endpoints": "/api/docs"
}

GET /api/orders/archived-789 HTTP/1.1
Host: api.example.com

HTTP/1.1 404 Not Found
Content-Type: application/json

{
  "error": "resource_deleted",
  "message": "Order was permanently deleted",
  "deleted_at": "2025-09-15T10:30:00Z",
  "alternative": "Contact support for archived order retrieval"
}