curl -X POST `{{apiEndpoint}}` \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
  "messages": [  // Required: List of messages
    {
      "role": "user",
      "content": "Hello, how can I use this API?"
    },
    {
      "role": "assistant",
      "content": "You can use this API by sending messages like this!"
    },
    {
      "role": "user",
      "content": "I want to know more about AI."
    }
  ],
  "files": [  // Optional: List of files in base64
    {
      "name": "example.pdf",
      "type": "application/pdf",
      "content": "JVBERi0xL..."
    }
  ],
  "web_search": false,  // Optional: Enable web search (true/false)
  "think": false  // Optional: Enable reasoning mode (true/false)
}'