AI Text-to-Speech API
Convert text to natural-sounding speech with 54 voices across 8 languages. Powered by our proprietary AI engine on dedicated GPUs. No subscription — pay only for what you use.
50 free credits on signup — enough for 50 TTS requests.
$ curl -X POST https://api.ai.hudsonly.com/api/v1/services/tts \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"text": "Welcome to Hudsonly AI.",
"voice": "af_heart",
"speed": 1.0,
"format": "mp3"
}'
{ "success": true, "data": { "audio_url": "https://storage.../tts_abc123.mp3", "duration_seconds": 1.8, "voice": "af_heart", "credits_used": 1 } }
54
Voices
8
Languages
~1s
Latency
Voices for every use case
54 voices spanning 8 languages and multiple styles.
American English
af_heart, af_sky, am_adam, am_michael...
20+ voices
British English
bf_emma, bf_isabella, bm_george...
6+ voices
Japanese
jf_alpha, jf_gongitsune, jm_kumo...
6+ voices
Mandarin Chinese
zf_xiaobei, zf_xiaoni, zm_yunjian...
6+ voices
Spanish
ef_dora, em_alex, em_santa...
3+ voices
French
ff_siwis...
2+ voices
Hindi
hf_alpha, hf_beta, hm_omega...
3+ voices
Italian
if_sara, im_nicola...
2+ voices
How it works
Generate speech in three simple steps.
Send Your Text
POST your text, chosen voice, and format to the TTS endpoint with your API key.
AI Processes
Our AI engine runs on dedicated GPUs. Your audio is generated in about one second.
Get Audio URL
Receive a signed URL to your audio file. Download or stream it directly in your app.
Pricing comparison
See how Hudsonly AI stacks up against other TTS providers.
| Provider | Model | Price / 1M chars | Subscription | Voices |
|---|---|---|---|---|
| Hudsonly AI | Proprietary | from $0.018 | No | 54 |
| ElevenLabs | Turbo v2.5 | $0.18–0.30 | $5–330/mo | 1,000+ |
| OpenAI | TTS-1 | $15.00 | No | 6 |
| Google Cloud | WaveNet | $16.00 | No | 400+ |
| Amazon Polly | Neural | $16.00 | No | 60+ |
Prices as of early 2025. Hudsonly AI starts at 1 credit per request ($0.018/credit). ElevenLabs requires a subscription for API access.
Why Hudsonly AI for TTS?
No Subscription
Buy credits, use them whenever you want. No monthly fees, no commitments, credits never expire.
Simple API
One POST request with bearer token auth. JSON in, audio URL out. Standard REST conventions.
GPU-Powered Speed
Our AI runs on dedicated GPUs with auto-scaling infrastructure. Typical generation time is about one second.
Start generating speech today
Create your free account and get 50 credits to try text-to-speech.