curl --request POST \
  --url https://direct.evolink.ai/v1beta/models/{model}:generateContent \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contents": [
    {
      "role": "user",
      "parts": [
        {
          "text": "Introduce the history of artificial intelligence"
        }
      ]
    }
  ],
  "generationConfig": {
    "temperature": 0.7,
    "topP": 0.9,
    "topK": 40,
    "maxOutputTokens": 1024
  }
}
'

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "text": "The history of artificial intelligence dates back to the 1950s..."
          }
        ],
        "role": "model"
      },
      "finishReason": "STOP"
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 15,
    "candidatesTokenCount": 156,
    "totalTokenCount": 171
  },
  "modelVersion": "gpt-5.4"
}