AI Voice Library & Voice Selection Guide

Browse AI voices, supported languages, speaking styles, voice settings, customization options, and synthesis controls.

Voice Providers

ElevenLabs

Premium AI voices with exceptional naturalness and emotional range. Supports voice cloning.

100+ pre-built voices
29 languages
Custom voice cloning (Enterprise plan)
Adjustable stability and similarity boost

Azure Neural TTS

Microsoft's neural voices with enterprise-grade reliability and SSML support.

400+ neural voices
140+ languages and dialects
Speaking styles: cheerful, angry, sad, excited
Full SSML support with pronunciation controls

Google Cloud TTS

High-quality voices using WaveNet and Neural2 technology.

220+ voices
40+ languages
WaveNet (premium) and Standard quality tiers
Audio profiles: phone, headphone, speaker

PlayHT

Ultra-realistic voices optimized for conversational AI.

600+ voices
142 languages
PlayHT 2.0 turbo for lowest latency
Emotion and tone control

List Voices

curl "https://api.voxentis.com/v1/tts/voices?provider=elevenlabs&language=en" \
  -H "Authorization: Bearer YOUR_API_KEY"

Response

{
  "voices": [
    {
      "id": "pNInz6obpgDQGcFmaJgB",
      "name": "Adam",
      "provider": "elevenlabs",
      "gender": "male",
      "language": "en",
      "accent": "American",
      "style": "narration",
      "preview_url": "https://api.voxentis.com/v1/tts/voices/pNInz6obpg/preview"
    },
    {
      "id": "21m00Tcm4TlvDq8ikWAM",
      "name": "Rachel",
      "provider": "elevenlabs",
      "gender": "female",
      "language": "en",
      "accent": "American",
      "style": "conversational",
      "preview_url": "https://api.voxentis.com/v1/tts/voices/21m00Tcm4T/preview"
    }
  ]
}

Preview Voice

curl "https://api.voxentis.com/v1/tts/voices/pNInz6obpg/preview" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -o preview.mp3

For customer-facing voice agents, we recommend conversational-style voices (ElevenLabs or PlayHT) with stability set to 0.4-0.6 for natural variation.