AI Voice & Audio Studio Suite

AI Voice & Audio Studio Suite — TTS, STT, voice cloning, audio editing, subtitle generation, and podcast chapter detection — one subscription for everything voice and audio.

🎙️ Voice + Audio AI

🚀 Newcomer launch pricing — limited-time introductory rates while we earn our first reviews.

Built for podcasters, video editors, content agencies, accessibility teams.

Why this exists

Voice tools come from 5 different vendors with 5 different billing pages.

What you get

One API: text-to-speech, speech-to-text, voice clone, denoise, merge/trim, subtitles, chapter detection.

Endpoints (9 total)

• POST /v1/tts/synthesise
• POST /v1/stt/transcribe
• POST /v1/voice/clone
• POST /v1/audio/merge
• POST /v1/audio/trim
• POST /v1/subtitles/generate
• POST /v1/subtitles/srt
• POST /v1/subtitles/vtt
• POST /v1/podcast/chapters

Sample request

curl -X POST https://api-voice-suite.knowlez.com/v1/tts/synthesise -H "X-API-Key: <your-key>" -H "Content-Type: application/json" -d '{}'

Pricing

• Starter — $9/mo · 300 ops included · $0.05/op overage
• Pro — $39/mo · 3,000 ops included · $0.025/op overage
• Scale — $149/mo · 30,000 ops included · $0.01/op overage

Swagger / OpenAPI: api-voice-suite.knowlez.com/docs