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POST
/
v1
/
tts
/
sarvam
/
bulbul-stream:v3
curl --request POST \ --url https://api.slng.ai/v1/tts/sarvam/bulbul-stream:v3 \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --data ' { "text": "Hello, this is a streamed Sarvam synthesis request.", "target_language_code": "en-IN", "speaker": "shubh", "model": "bulbul:v3", "output_audio_codec": "mp3" } '
"<string>"

Documentation Index

Fetch the complete documentation index at: https://docs.slng.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API key issued by SLNG. Pass as Authorization: Bearer <token>.

Headers

​
X-World-Part-Override
enum<string>

Target world part override. Auto-selected if not provided.

Available options:
ap

Body

application/json

Sarvam AI Bulbul streaming TTS request.

​
text
string
required

Text to synthesize. Supports code-mixed text (English and Indic languages).

Required string length: 1 - 3500
​
target_language_code
enum<string>
default:en-IN

Language code in BCP-47 format for text normalization.

Available options:
bn-IN,
en-IN,
gu-IN,
hi-IN,
kn-IN,
ml-IN,
mr-IN,
od-IN,
pa-IN,
ta-IN,
te-IN
​
speaker
enum<string>
default:shubh

Speaker voice for the output audio.

Available options:
shubh,
aditya,
ritu,
priya,
neha,
rahul,
pooja,
rohan,
simran,
kavya,
amit,
dev,
ishita,
shreya,
ratan,
varun,
manan,
sumit,
roopa,
kabir,
aayan,
ashutosh,
advait,
amelia,
sophia,
anand,
tanya,
tarun,
sunny,
mani,
gokul,
vijay,
shruti,
suhani,
mohit,
kavitha,
rehan,
soham,
rupali
​
model
enum<string>
default:bulbul:v3

Sarvam TTS model identifier.

Available options:
bulbul:v3
​
output_audio_codec
enum<string>
default:mp3

Output audio codec. Determines the response Content-Type.

Available options:
mp3,
wav,
aac,
opus,
flac,
linear16,
mulaw,
alaw
​
output_audio_bitrate
enum<string>
default:128k

Output audio bitrate.

Available options:
32k,
64k,
128k,
192k,
256k
​
pace
number
default:1

Speech speed (0.5 to 2.0).

Required range: 0.5 <= x <= 2
​
speech_sample_rate
integer
default:22050

Output sample rate in Hz.

​
temperature
number
default:0.6

Controls expressiveness (0.01 to 1.0).

Required range: 0.01 <= x <= 1
​
enable_preprocessing
boolean
default:false

Normalize English words and numbers before synthesis.

Response

Synthesis successful. Returns binary audio in the codec specified by output_audio_codec (chunked stream).

Binary audio data.