curl --request POST \
  --url https://www.anyfast.ai/v1beta/models/{model}:generateContent \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contents": [
    {
      "role": "user",
      "parts": [
        {
          "text": "Hello, Gemini!"
        }
      ]
    }
  ],
  "systemInstruction": {
    "parts": [
      {
        "text": "<string>"
      }
    ]
  },
  "generationConfig": {
    "temperature": 1,
    "topP": 0.5,
    "topK": 123,
    "maxOutputTokens": 123,
    "stopSequences": [
      "<string>"
    ],
    "responseSchema": {}
  },
  "tools": [
    {
      "functionDeclarations": [
        {
          "name": "<string>",
          "description": "<string>",
          "parameters": {}
        }
      ]
    }
  ],
  "toolConfig": {
    "functionCallingConfig": {
      "allowedFunctionNames": [
        "<string>"
      ]
    }
  },
  "safetySettings": [
    {}
  ]
}
'

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "text": "<string>"
          }
        ],
        "role": "model"
      },
      "index": 123,
      "safetyRatings": [
        {
          "category": "<string>",
          "probability": "<string>"
        }
      ]
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 123,
    "candidatesTokenCount": 123,
    "totalTokenCount": 123
  },
  "modelVersion": "<string>"
}