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POST
https://api.novita.ai
/
v3
/
glm-tts
GLM Text to Speech
curl --request POST \
  --url https://api.novita.ai/v3/glm-tts \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "input": "<string>",
  "speed": 123,
  "voice": "<string>",
  "volume": 123,
  "response_format": "<string>",
  "watermark_enabled": true
}
'
Convert text to natural speech using GLM-TTS, supporting multiple voices, emotion control, and tone adjustment.

​
Request Headers

​
Content-Type
string
required
Supports: application/json
​
Authorization
string
required
Bearer authentication format, for example: Bearer {{API Key}}.

​
Request Body

​
input
string
required
The text to convert to speechLength limit: 0 - 1024
​
speed
number
default:1
Speech speed, default is 1.0, range [0.5, 2]Value range: [0.5, 2]
​
voice
string
default:"tongtong"
required
The voice to use for audio generation, supporting both system voices and cloned voices. System voices include: tongtong (Tongtong, default voice), chuichui (Chuichui), xiaochen (Xiaochen), jam (Dongdong Zoo jam voice), kazi (Dongdong Zoo kazi voice), douji (Dongdong Zoo douji voice), luodo (Dongdong Zoo luodo voice)
​
volume
number
default:1
Volume, default is 1.0, range (0, 10]Value range: [0, 10]
​
response_format
string
default:"pcm"
Audio output format, defaults to pcm formatOptional values: wav, pcm
​
watermark_enabled
boolean
Controls whether to add watermark when generating AI audio. true: Enables explicit watermark and implicit digital watermark for AI-generated content by default, complying with policy requirements. false: Disables all watermarks, only effective for users who have completed watermark removal action.

​
Response

Request processed successfully, recommended sample rate is 24000 Format: binary