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Support for AiSensy WhatsApp messaging

Bolna now supports AiSensy for sending WhatsApp messages, enabling seamless WhatsApp outreach as part of your workflows and campaigns.
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Configurable Style exaggeration parameter for ElevenLabs

We’ve added Style Exaggeration controls for ElevenLabs voices, allowing you to fine-tune how expressive and stylistic the generated speech sounds.
  • Increase exaggeration for more dramatic, expressive delivery.
  • Reduce it for a more neutral and natural speaking style.
ElevenLabs style exaggeration control in Bolna for adjusting expressiveness of text-to-speech output

These settings are now available across all supported ElevenLabs voices.

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Revamped workflows and campaigns

Bolna workflows and campaigns have been refreshed for a smoother build-and-run experience. Follow the step-by-step guide in this doc to create and launch workflows.
  • Build multi-step outreach flows with calls, WhatsApp, and email automation.
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Detailed latency metrics for Voice AI calls

Bolna now provides comprehensive latency metrics for every Voice AI call. Learn more in the latencies documentation.
  • Monitor and optimize the performance of your conversational AI agents.
  • Gain clear visibility into where time is spent across the conversation pipeline.
  • Analyze latency using overall averages and percentiles such as P50, P90, and P95.
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We’ve added new configurable voice parameters for finer control over ElevenLabs TTS output:

  • Similarity Boost – Adjusts how closely the generated voice matches the original reference voice.
  • Stability – Controls variation in tone and expression, helping balance naturalness with consistency.
ElevenLabs voice settings in Bolna showing configurable parameters like Similarity Boost and Stability for TTS output control

These settings are now available across all supported ElevenLabs voices.

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Voice cloning available for Cartesia sonic-3 models

  • You can now clone your voices using Cartesia’s latest sonic-3 text-to-speech model for the following languages: