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POST
/
v1
/
tts
/
gradium
/
tts:default
Gradium TTS default
curl --request POST \
  --url https://api.slng.ai/v1/tts/gradium/tts:default \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "text": "Hello, this is a test of Gradium text to speech.",
  "voice_id": "YTpq7expH9539ERJ",
  "output_format": "wav"
}
'
{
  "error": "<string>"
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

​
x-region
string

Override the default region for this request.

Body

application/json
​
text
string
required

Text to synthesize.

Minimum string length: 1
​
voice_id
string

Voice ID from the Gradium voice library or a custom voice ID.

​
output_format
enum<string>
default:wav

Output audio format.

Available options:
wav,
pcm,
pcm_8000,
pcm_16000,
pcm_24000,
opus,
ulaw_8000,
alaw_8000
​
encoding
enum<string>
default:wav

SLNG normalized output audio encoding (WebSocket streaming).

Available options:
wav,
linear16,
pcm,
opus,
mulaw,
alaw
​
language
enum<string>
default:en

Language hint for synthesis.

Available options:
en,
fr,
de,
es,
pt
​
temperature
number

Sampling temperature (stability). Lower is more stable.

Required range: 0 <= x <= 1.4
​
only_audio
boolean
default:true

HTTP only. When true, returns raw audio bytes instead of a JSON message stream.

Response

Success