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api:pbx:audio:tts

API : PBX : Audio Text to speech

Introduction

This request will generate audio based on a voice and text to be spoken by the text-to-speech engine.

Request

URL https://api.telecomx.dk/pbx/audio/tts
Method POST
Access level MANAGER or OWNER if user belongs to the customer the audio shall belong to.
RESELLER if customer belongs to the reseller.
RESELLER_ADMIN or ADMIN.
Property Type Description
Body engine String [optional] Which speech engine to use: ELEVEN_ML, ELEVEN_FLASH, ELEVEN_TURBO, ELEVEN_V3. Limits apply to usage. Defaults to ELEVEN_FLASH.
text String The text to speak, max. 3000 characters.
voice String The voice to speak with - use Voices API to retrieve a list of available voices.
language String [optional] The language of the text in ISO 639-1 format. Only applies to engines: ELEVEN_FLASH and ELEVEN_TURBO. If not set, it will be inferred from the voice.
speed Number [optional] Speaking speed - 70 (slow) → 120 (fast). Defaults to 100 (normal).
stability Number [optional] Randomness in generation, lower = more emotional, higher = more monotonous. 0 → 100, defaults to 50.
similarity Number [optional] How closely to the original should the voice be, 0 → 100, defaults to 75.
style Number [optional] This amplifies the style of the voice, 0 → 100, default to 0.
customer Id [optional] Id of customer the audio belongs to. Defaults to users customer.
employee Id [optional] Id of employee the audio belongs to, if the audio shall only be playable by the employee.
name String [optional] Name of the audio, defaults to the start of the text.
Engine Description Languages Stream startup
ELEVEN_ML Eleven Labs multilingual V2 29 ~1000ms
ELEVEN_TURBO Eleven Labs turbo V2.5 32 ~500ms
ELEVEN_FLASH Eleven Labs flash V2.5 32 ~350ms
ELEVEN_V3 Eleven Labs V3 70+ ~2000ms - 9500ms

Request body example

{
  voice: '138hdr30efnjvhi0njovd',
  text: 'Welcome to our company. Press 1 for sales, press 2 for support, or press 3 for accounting',
  customer: '123457890123457890AAAA',
  name: 'Default greeting message'
}

Response

The created audio item.

Json object
_id Id Unique id of the audio.
customer Id Id of customer the audio belongs to.
usedBy Array Array of id's of the dialplan items that uses it.
name String Name/description of the audio.
length Number Length in seconds.
employee Id Optional id of employee the audio belongs to and can be used/seen by.

Note that properties holding no value may be omitted from the object.

Example

{
  _id: '1234567890123457890ABCD',
  customer: '12345678901234567890CCCC',
  usedBy: ['123457890123457890AAAA','12345678901234567890AAAB'],
  name: 'Welcome greeting 08:00-12:00',
  length: 15,
  employee: null
}

Errors

Error code Message Description
404 id Audio not found
404 customer Customer not found
422 message Message is missing
422 voice Selected voice not found
403 access_denied Insufficient access level
500 internal_error <Unspecified>
api/pbx/audio/tts.txt · Last modified: 2025/09/15 13:29 by Per Møller

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