Aero TTS
Voices Browse all 90+ Aero TTS voices across 20+ languages — with gender, language, and model filters.
Aero TTS includes 90+ built-in voices across 20+ languages. Each voice is optimized for conversational speech with natural prosody and emotion.
Voice ID Name Description aero-vayuVayu Warm, professional — most popular voice aero-iraIra Elegant, composed aero-zaraZara Confident, articulate aero-ariaAria Friendly, approachable aero-priyaPriya Bright, energetic aero-novaNova Modern, versatile aero-lunaLuna Calm, soothing aero-koreKore Clear, precise aero-riverRiver Natural, flowing aero-alloyAlloy Strong, distinct aero-aoedeAoede Melodic, expressive
Voice ID Name Description aero-kianKian Deep, authoritative aero-atlasAtlas Smooth, confident aero-echoEcho Warm, conversational aero-ericEric Clear, professional aero-fenrirFenrir Bold, commanding aero-liamLiam Friendly, approachable aero-onyxOnyx Rich, resonant aero-puckPuck Light, energetic
Voice ID Name Description aero-emmaEmma Classic British, professional aero-lilyLily Warm, welcoming aero-aliceAlice Clear, precise aero-isabellaIsabella Refined, elegant
Voice ID Name Description aero-georgeGeorge Distinguished, authoritative aero-lewisLewis Modern British, conversational aero-danielDaniel Warm, reliable aero-fableFable Storytelling, expressive
Voice ID Name Gender Description aero-ananyaAnanya Female Clear, professional Hindi aero-kavyaKavya Female Warm, conversational Hindi aero-devDev Male Strong, authoritative Hindi aero-arjunArjun Male Friendly, approachable Hindi
The aero-mini and aero-nano models support additional languages including Spanish, French, German, Italian, Chinese, Japanese, Korean, and Portuguese. Use the voices endpoint to discover all available voices:
curl https://api.thinnest.ai/api/tts/voices?language=es \ -H "Authorization: Bearer YOUR_API_KEY" Use Case Recommended Voice Why Customer support aero-vayu (F) or aero-kian (M)Warm, professional, builds trust Sales calls aero-atlas (M) or aero-zara (F)Confident, persuasive Appointment reminders aero-aria (F) or aero-liam (M)Friendly, clear IVR / phone menus aero-eric (M) or aero-kore (F)Precise, easy to understand Indian market (Hindi) aero-ananya (F) or aero-dev (M)Native Hindi speakers British English aero-emma (F) or aero-george (M)Authentic British accent Storytelling / narration aero-fable (M) or aero-aoede (F)Expressive, engaging
You can preview any voice in the Aero TTS Playground in your dashboard, or via the API:
curl -X POST https://api.thinnest.ai/api/tts/synthesize \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "text": "Hello! This is a preview of the Aero Vayu voice.", "voice": "aero-vayu", "model": "aero", "format": "mp3" }' \ --output preview.mp3 Fine-tune voice output with these parameters:
Parameter Range Default Description speed0.5 - 2.0 1.0 Playback speed multiplier formatmp3, wav, pcm, opus, ogg, flac, aac mp3 Output audio format sample_rate8000 - 48000 22050 Audio sample rate in Hz
curl -X POST https://api.thinnest.ai/api/tts/synthesize \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "text": "Speaking a bit faster now.", "voice": "aero-vayu", "model": "aero", "speed": 1.3, "format": "wav", "sample_rate": 44100 }' \ --output fast.wav