For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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OverviewElevenCreativeElevenAgentsElevenAPIReception AIAPI referenceChangelog
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Changelog

April 21, 2025
April 21, 2025
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April 14, 2025

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Professional Voice Cloning (PVC)

  • PVC API: Introduced a comprehensive suite of API endpoints for managing Professional Voice Clones (PVC). You can now programmatically create voices, add/manage/delete audio samples, retrieve audio/waveforms, manage speaker separation, handle verification, and initiate training. For a full list of new endpoints check the API changes summary below or read the PVC API reference here.

Speech to Text

  • Enhanced Export Options: Added options to include or exclude timestamps and speaker IDs when exporting Speech to Text results in segmented JSON format via the API.

Agents Platform

  • New LLM Models: Added support for new GPT-4.1 models: gpt-4.1, gpt-4.1-mini, and gpt-4.1-nano here
  • VAD Score: Added a new client event which sends VAD scores to the client, see reference here

API

View API changes

New Endpoints

  • Added 16 new endpoints:
    • Create PVC Voice - Creates a new PVC voice.
    • Edit PVC Voice - Edits PVC voice metadata.
    • Add Samples To PVC Voice - Adds audio samples to a PVC voice.
    • Update PVC Voice Sample - Updates a PVC voice sample (noise removal, speaker selection, trimming).
    • Delete PVC Voice Sample - Deletes a sample from a PVC voice.
    • Retrieve Voice Sample Audio - Retrieves audio for a PVC voice sample.
    • Retrieve Voice Sample Visual Waveform - Retrieves the visual waveform for a PVC voice sample.
    • Retrieve Speaker Separation Status - Gets the status of speaker separation for a sample.
    • Start Speaker Separation - Initiates speaker separation for a sample.
    • Retrieve Separated Speaker Audio - Retrieves audio for a specific separated speaker.
    • Get PVC Voice Captcha - Gets the captcha for PVC voice verification.
    • Verify PVC Voice Captcha - Submits captcha verification for a PVC voice.
    • Run PVC Training - Starts the training process for a PVC voice.
    • Request Manual Verification - Requests manual verification for a PVC voice.

Updated Endpoints

Speech to Text

  • Updated endpoint with changes:
    • Create Forced Alignment Task - Added enabled_spooled_file parameter to allow streaming large files (POST /v1/forced-alignment).

Schema Changes

Agents Platform

  • GET conversation details: Added has_audio, has_user_audio, has_response_audio boolean fields here

Dubbing

  • GET dubbing resource : Added status field to each render here