CAPI
Models/ElevenLabs
Audio

ElevenLabs

by ElevenLabs

ElevenLabs API access for voice synthesis, text-to-speech, sound effects, speech-to-text, and audio isolation.

Get API KeyRead the docs

Capabilities

  • Text to speech
  • Sound effects
  • Speech to text
  • Isolate audio

Available models

Pass any of these IDs in the model field.

Model IDDetailPrice
elevenlabs-tts-v3per 1K chars$0.040 / 1K chars
elevenlabs-sfxper clip$0.040 / call
elevenlabs-isolateper minute$0.050 / call

Pricing starts at

$0.040 / 1K chars

Pay only for what you use. Each response returns the exact amount settled against your balance — no subscriptions, no minimums.

Quickstart

ElevenLabs · elevenlabs-tts-v3

cURL
curl -X POST https://capi.ai/api/v1/audio/speech \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"model":"elevenlabs-tts-v3","input":"Welcome to CAPI."}' \
  --output out.mp3

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