gemini-tts text-to-speech

POST

https://api.key4u.vn/v1beta/models/gemini-2.5-pro-preview-tts:generateContent

Official documentation: https://ai.google.dev/gemini-api/docs/text-generation?hl=zh-cn#multi-turn-conversations

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Query Params

Header Params

Body Params application/json

Examples

Responses

🟢200

application/json

Bodyapplication/json

🟠400Bad request or validation failed

🟠401Missing or invalid API Key

Request Example

Shell

JavaScript

Java

Swift

curl --location --globoff 'https://api.key4u.vn/v1beta/models/gemini-2.5-pro-preview-tts:generateContent?key={{YOUR_API_KEY}}' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
  "contents": [
    {
      "parts": [
        {
          "text": "Say cheerfully: Have a wonderful day!"
        }
      ]
    }
  ],
  "generationConfig": {
    "responseModalities": [
      "AUDIO"
    ],
    "speechConfig": {
      "voiceConfig": {
        "prebuiltVoiceConfig": {
          "voiceName": "Kore"
        }
      }
    }
  }
}'

Response Example

200 - example

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "inlineData": {
              "data": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...",
              "mimeType": "audio/L16;codec=pcm;rate=24000"
            }
          }
        ],
        "role": "model"
      },
      "finishReason": "STOP",
      "index": 0,
      "safetyRatings": []
    }
  ],
  "modelVersion": "gemini-2.5-pro-preview-tts",
  "promptFeedback": {
    "safetyRatings": []
  },
  "responseId": "nXxoaf7mPM6j_uMPyICzkQo",
  "usageMetadata": {
    "candidatesTokenCount": 51,
    "promptTokenCount": 9,
    "promptTokensDetails": [
      {
        "modality": "TEXT",
        "tokenCount": 9
      }
    ],
    "thoughtsTokenCount": 0,
    "totalTokenCount": 60
  }
}

Modified at 2026-10-13 12:32:40

Text generation gemini-3-pro-preview:generateContent

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