Skip to main content
POST
/
audio
/
speech
Create Speech
curl --request POST \
  --url https://api.siliconflow.com/v1/audio/speech \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "fishaudio/fish-speech-1.5",
  "input": "The text to generate audio for",
  "voice": "fishaudio/fish-speech-1.5:alex"
}'
This response does not have an example.

Authorizations

​
Authorization
string
header
required

Use the following format for authentication: Bearer <your api key>

Body

application/json
  • fish-speech-1.5
  • CosyVoice2-0.5B
  • IndexTTS-2
​
model
enum<string>
required

Corresponding Model Name. To better enhance service quality, we will make periodic changes to the models provided by this service, including but not limited to model on/offlining and adjustments to model service capabilities. We will notify you of such changes through appropriate means such as announcements or message pushes where feasible.

Available options:
fishaudio/fish-speech-1.5
​
input
string
required

The text to generate audio for.

Required string length: 1 - 128000
Example:

"The text to generate audio for"

​
voice
enum<string>
required
Available options:
fishaudio/fish-speech-1.5:alex,
fishaudio/fish-speech-1.5:anna,
fishaudio/fish-speech-1.5:bella,
fishaudio/fish-speech-1.5:benjamin,
fishaudio/fish-speech-1.5:charles,
fishaudio/fish-speech-1.5:claire,
fishaudio/fish-speech-1.5:david,
fishaudio/fish-speech-1.5:diana
​
response_format
enum<string>
default:mp3

The format to audio out. Supported formats are mp3, opus, wav, pcm

Available options:
mp3,
opus,
wav,
pcm
​
sample_rate
enum<number>

Control the output sample rate. The default values and differ for different video output types, as follows: opus: Supports 48000 Hz. wav, pcm: Supports 8000, 16000, 24000, 32000, 44100 Hz, with a default of 44100 Hz. mp3: Supports 32000, 44100 Hz, with a default of 44100 Hz.

Available options:
8000,
16000,
24000,
32000,
44100,
48000
Example:

32000

​
stream
boolean
default:true

streaming or not

​
speed
number
default:1

The speed of the generated audio. Select a value from 0.25 to 4.0. 1.0 is the default.

Required range: 0.25 <= x <= 4
​
gain
number
default:0
Required range: -10 <= x <= 10

Response

Generate audio based on the input text. The data generated by the interface is in binary format and requires the user to process it themselves. Reference:https://docs.siliconflow.com/capabilities/text-to-speech#5

The response is of type file.