SLNG Text-to-Speech API

CSM-1B

Endpointhttps://api.slng.ai

Sesame CSM-1B Conversational Speech Model

sesame/csm:1b - http

POST

https://api.slng.ai

/v1/tts/slng/sesame/csm:1b

Text-to-Speech API for generating speech from text using SLNG sesame/csm. Sesame CSM-1B Conversational Speech Model

sesame/csm:1b - http › Headers

Authorization

string · required

The Authorization header is used to authenticate with the API using your API key. Value is of the format Bearer YOUR_KEY_HERE.

sesame/csm:1b - http › Request Body

text

string · minLength: 1 · required

Text to synthesize

voice

string · enum

Voice ID

Enum values:

conversational_a

conversational_b

read_speech_a

read_speech_b

read_speech_c

read_speech_d

Default: conversational_a

language

string

Language code

speed

number

Playback speed multiplier

speaker_id

integer · min: 0 · max: 99

Speaker identifier (0-99)

max_audio_length_ms

integer · min: 1

Maximum audio duration in milliseconds

temperature

number · min: 0 · max: 2

Sampling temperature (0.0-2.0)

top_p

number · min: 0 · max: 1

Nucleus sampling threshold (0.0-1.0)

object[]

Conversation context as an array of prior messages with optional speaker IDs

sesame/csm:1b - http › Responses

Successful synthesis

string · binary

Audio file content

POST/v1/tts/slng/sesame/csm:1b

curl --request POST \
  --url https://api.slng.ai/v1/tts/slng/sesame/csm:1b \
  --header 'Authorization: <string>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "voice": "conversational_a",
  "text": "Hello world, this is a test of text to speech synthesis."
}
'

shell

Example Request Body

{
  "voice": "conversational_a",
  "text": "Hello world, this is a test of text to speech synthesis."
}

json

application/json

Example Responses

<binary>

plain

audio/*

CosyVoice v1 Kokoro v1

sesame/csm:1b - http

POST

https://api.slng.ai

/v1/tts/slng/sesame/csm:1b

Text-to-Speech API for generating speech from text using SLNG sesame/csm. Sesame CSM-1B Conversational Speech Model

sesame/csm:1b - http › Headers

Authorization

string · required

The Authorization header is used to authenticate with the API using your API key. Value is of the format Bearer YOUR_KEY_HERE.

sesame/csm:1b - http › Request Body

text

string · minLength: 1 · required

Text to synthesize

voice

string · enum

Voice ID

Enum values:

conversational_a

conversational_b

read_speech_a

read_speech_b

read_speech_c

read_speech_d

Default: conversational_a

language

string

Language code

speed

number

Playback speed multiplier

speaker_id

integer · min: 0 · max: 99

Speaker identifier (0-99)

max_audio_length_ms

integer · min: 1

Maximum audio duration in milliseconds

temperature

number · min: 0 · max: 2

Sampling temperature (0.0-2.0)

top_p

number · min: 0 · max: 1

Nucleus sampling threshold (0.0-1.0)

object[]

Conversation context as an array of prior messages with optional speaker IDs

sesame/csm:1b - http › Responses

Successful synthesis

string · binary

Audio file content