HTTP Status 500 - Internal Server Error

GET /api/products HTTP/1.1
Host: api.example.com

HTTP/1.1 500 Internal Server Error
Content-Type: application/json

{
  "error": "internal_server_error",
  "message": "An unexpected error occurred",
  "request_id": "req-abc-123",
  "support": "Contact support@example.com with request_id"
}

POST /api/orders HTTP/1.1
Host: api.example.com
Content-Type: application/json

{"product_id": 42, "quantity": 2}

HTTP/1.1 500 Internal Server Error
Content-Type: application/json
X-Request-ID: xyz-789

{
  "error": "server_error",
  "message": "Unable to process request",
  "timestamp": "2025-10-01T14:30:00Z"
}

GET /api/external-service HTTP/1.1
Host: api.example.com

HTTP/1.1 500 Internal Server Error
Content-Type: application/json

{
  "error": "configuration_error",
  "message": "Service temporarily unavailable due to misconfiguration",
  "retry": "Please try again later"
}