AI & Machine Learningelevenlabs.io &nearr;

ElevenLabs API for AI Agents

AI voice generation and text-to-speech

ElevenLabs provides APIs for text-to-speech, voice cloning, and audio generation. AI agents can use ElevenLabs to generate realistic speech, create voice content, and build conversational audio experiences.

What AI agents can do with ElevenLabs

Structured actions an AI agent can execute through the ElevenLabs API

Action

Description

Inputs

Outputs

textToSpeech

Convert text to speech audio

text, voice_id, model_id, voice_settings

audio_data, content_type

listVoices

List available voices

voices[], total

getVoice

Get details about a voice

voice_id

name, labels, preview_url, settings

Use cases for ElevenLabs + AI agents

Voice narration for content
Conversational AI with realistic speech
Accessibility features for applications
Podcast and audiobook generation
Customer support voice responses

How to connect ElevenLabs to an AI agent

1Get your ElevenLabs API key
2Generate an AgentSpec for TTS actions
3Define voice selection and synthesis actions
4Publish for discovery
5Select voices appropriate for your use case

Best practices

✓Choose voices that match your use case and audience

✓Use streaming for real-time audio delivery

✓Keep text chunks under 5000 characters for best quality

✓Test pronunciation with technical terms before production

✓Cache generated audio for repeated content

Frequently asked questions

How do AI agents generate speech with ElevenLabs?+

Send text and a voice ID to the textToSpeech action. ElevenLabs returns audio data that the agent can deliver to users. Use streaming mode for real-time applications.

Can AI agents clone voices?+

Yes, through the voice cloning API. Upload audio samples to create a custom voice, then use it in textToSpeech calls. This requires proper consent and follows ElevenLabs usage policies.

What audio formats does ElevenLabs return?+

MP3 by default, with options for PCM, μ-law, and other formats. Choose based on your delivery platform — MP3 for web, PCM for real-time streaming.