21st August, 2025

Support for scheduling calls at a future timestamp in /call endpoint.

  • If scheduled_at is provided, the call will be queued and executed at that timestamp. Refer docs.
20th August, 2025

Instantly Clone Voices with a Single Click

  • You can now create high-quality AI clones of any voice directly from the Voice Lab.
  • Simply provide a name and a 1-2 minute audio sample to generate a new, unique voice for your agents.
  • This feature is powered by leading providers like ElevenLabs to ensure top-tier quality. Learn more in our new guide to cloning voices.
Voice Lab clone voices feature interface in Bolna showing one-click voice cloning with audio sample upload

New 'Clone Voices' feature in the Voice Lab

3rd August, 2025

Added OpenRouter support

  • Support for the following models via OpenRouter. Learn more about OpenRouter from their official website.
    1. gpt-4.1 OpenRouter OpenAI
    2. gpt-4.1-mini OpenRouter OpenAI
    3. gpt-4.1-nano OpenRouter OpenAI
    4. gpt-4o OpenRouter OpenAI
    5. gpt-4o-mini OpenRouter OpenAI
    6. gpt-4 OpenRouter OpenAI
OpenRouter OpenAI model selection interface in Bolna showing available GPT models for Voice AI agents

OpenRouter OpenAI model clusters

Add your own OpenRouter API keys

OpenRouter provider connection setup in Bolna showing API key configuration

OpenRouter Provider connection