TTS

Call Kling TTS via CometAPI POST /kling/v1/audio/tts to convert text to speech with multilingual voices, plus fixes for voice_id not found errors.

POST /kling/v1/audio/tts

TTS

cURL

curl --request POST \
  --url https://api.cometapi.com/kling/v1/audio/tts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "text": "Welcome to CometAPI!",
  "voice_id": "genshin_vindi2",
  "voice_language": "zh"
}
'

200

{}

TTS

The Kling TTS (Text-to-Speech) API provides high-quality text-to-speech services, supporting multiple languages and voice options.

Reference Documentation

• API Reference: Kling TTS API Documentation
• Voice ID List: Available Voice ID Reference

---

Common Issues

⚠️ Voice id not found Error

Issue Description: When voice_id does not match voice_language, the API will return the following error:

{
  "message": "Voice id not found",
  "data": {
    "data": {
      "code": 1201,
      "message": "Voice id not found",
      "request_id": "ed47a82c-804b-45f3-bde9-926039cd25c0"
    },
    "message": "Voice id not found"
  }
}

Solution: Please ensure that the selected voice_id supports your specified voice_language. Refer to the Voice ID List to check which languages each voice ID supports.

Authorizations

Authorization · string · header · required

Bearer token authentication. Use your CometAPI key.

Headers

Content-Type · string

Content type of the request body.

Body

application/json

text · string · default: Hello · required

Text to synthesize into speech. Max 1000 characters.

voice_id · string · default: example · required

Voice preset ID. Determines the speaker voice used for synthesis. See the Kling documentation for available voice IDs and their supported languages.

voice_language · string · default: example · required

Language of the selected voice. Must match the language supported by the chosen voice_id. Values: zh (Chinese) or en (English).

voice_speed · number

Speech rate multiplier. Range 0.8–2.0 (one decimal place). Values outside this range are clamped automatically.

Response

200 - application/json

Success

The response is of type object.