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POST
/
conferences
/
{id}
/
actions
/
speak
JavaScript
import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted
});

const response = await client.conferences.actions.speak('id', {
  payload: 'Say this to participants',
  voice: 'female',
});

console.log(response.data);
{
  "data": {
    "result": "ok"
  }
}

Documentation Index

Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt

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

Authorizations

​
Authorization
string
header
required

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

Path Parameters

​
id
string
required

Specifies the conference by id or name

Body

application/json
​
payload
string
required

The text or SSML to be converted into speech. There is a 3,000 character limit.

Example:

"Say this to participants"

​
voice
string
required

Specifies the voice used in speech synthesis.

  • Define voices using the format <Provider>.<Model>.<VoiceId>. Specifying only the provider will give default values for voice_id and model_id.

Supported Providers:

  • AWS: Use AWS.Polly.<VoiceId> (e.g., AWS.Polly.Joanna). For neural voices, which provide more realistic, human-like speech, append -Neural to the VoiceId (e.g., AWS.Polly.Joanna-Neural). Check the available voices for compatibility.
  • Azure: Use Azure.<VoiceId> (e.g., Azure.en-CA-ClaraNeural, Azure.en-US-BrianMultilingualNeural, Azure.en-US-Ava:DragonHDLatestNeural). For a complete list of voices, go to Azure Voice Gallery. Use voice_settings to configure custom deployments, regions, or API keys.
  • ElevenLabs: Use ElevenLabs.<ModelId>.<VoiceId> (e.g., ElevenLabs.eleven_multilingual_v2.21m00Tcm4TlvDq8ikWAM). The ModelId part is optional. To use ElevenLabs, you must provide your ElevenLabs API key as an integration identifier secret in "voice_settings": {"api_key_ref": "<secret_identifier>"}. See integration secrets documentation for details. Check available voices.
  • Telnyx: Use Telnyx.<model_id>.<voice_id> (e.g., Telnyx.KokoroTTS.af). Use voice_settings to configure voice_speed and other synthesis parameters.
  • Minimax: Use Minimax.<ModelId>.<VoiceId> (e.g., Minimax.speech-02-hd.Wise_Woman). Supported models: speech-02-turbo, speech-02-hd, speech-2.6-turbo, speech-2.8-turbo. Use voice_settings to configure speed, volume, pitch, and language_boost.
  • Rime: Use Rime.<model_id>.<voice_id> (e.g., Rime.Arcana.cove). Supported model_ids: Arcana, Mist, ArcanaV3, Coda. Use voice_settings to configure voice_speed.
  • Resemble: Use Resemble.Turbo.<voice_id> (e.g., Resemble.Turbo.my_voice). Only Turbo model is supported. Use voice_settings to configure precision, sample_rate, and format.
  • Inworld: Use Inworld.<ModelId>.<VoiceId> (e.g., Inworld.Mini.Loretta, Inworld.Max.Oliver). Supported models: Mini, Max.
  • xAI: Use xAI.<VoiceId> (e.g., xAI.eve). Available voices: eve, ara, rex, sal, leo.

For service_level basic, you may define the gender of the speaker (male or female).

Example:

"Telnyx.KokoroTTS.af"

​
call_control_ids
string[]

Call Control IDs of participants who will hear the spoken text. When empty all participants will hear the spoken text.

​
payload_type
enum<string>
default:text

The type of the provided payload. The payload can either be plain text, or Speech Synthesis Markup Language (SSML).

Available options:
text,
ssml
Example:

"ssml"

​
voice_settings
ElevenLabs Voice Settings · object

The settings associated with the voice selected

​
language
enum<string>

The language you want spoken. This parameter is ignored when a Polly.* voice is specified.

Available options:
arb,
cmn-CN,
cy-GB,
da-DK,
de-DE,
en-AU,
en-GB,
en-GB-WLS,
en-IN,
en-US,
es-ES,
es-MX,
es-US,
fr-CA,
fr-FR,
hi-IN,
is-IS,
it-IT,
ja-JP,
ko-KR,
nb-NO,
nl-NL,
pl-PL,
pt-BR,
pt-PT,
ro-RO,
ru-RU,
sv-SE,
tr-TR
Example:

"en-US"

​
command_id
string

Use this field to avoid execution of duplicate commands. Telnyx will ignore subsequent commands with the same command_id as one that has already been executed.

Example:

"891510ac-f3e4-11e8-af5b-de00688a4901"

​
region
enum<string>

Region where the conference data is located. Defaults to the region defined in user's data locality settings (Europe or US).

Available options:
Australia,
Europe,
Middle East,
US
Example:

"US"

Response

Successful response upon making a conference command.

​
data
Conference Command Result · object
Example:
{ "result": "ok" }