Agents Platform Real-time conversation monitoring: Enterprise users can now monitor agent conversations in real-time via WebSocket connection at /v1/convai/conversations/{id}/monitor. Features include cached conversation history, selective event streaming, and control commands (end call, barge-in, human takeover toggle, send messages).Hinglish language support: Added hinglish_mode configuration option for agents. When enabled and the agent's language is Hindi, responses will be in Hinglish (Hindi-English mix).Dynamic variables in voicemail messages: Voicemail detection messages now support dynamic variable substitution, enabling personalized messages when voicemail is detected.Localized widget terms and conditions: Chat widget terms and conditions can now be localized per language, configured through language presets.Widget conversation mode toggle: Added conversation_mode_toggle_enabled option to widget configuration for controlling conversation mode switching.Batch call retry tracking: Added retry_count field to batch call status responses for tracking retry attempts. Text to Speech Quality preset credit costs: Quality preset descriptions now include credit cost information: high (+20%), ultra (+50%), and ultra_lossless (+100%). WhatsApp Integration Simplified phone number configuration: Replaced whatsapp_business_account_id with whatsapp_phone_number_id in batch calling and conversation info schemas for simpler WhatsApp integration. SDK Releases Python SDK v2.27.0 - Fixed Scribe audio format parameter handling and updated API schemav2.26.1 - Extended on-premises agent configuration support JavaScript SDK v2.28.0 - Fixed Scribe audio format parameter handling and updated API schema Packages @elevenlabs/react@0.12.3 - Localized chat terms and conditions and fixed Scribe audio format@elevenlabs/client@0.12.2 - Localized chat terms and conditions and fixed Scribe audio format@elevenlabs/react-native@0.5.6 - Added TTS speed parameter override and fixed startSession infinite loop in useEffect hooks@elevenlabs/react@0.12.2 - Fixed WebSocket closure code, fixed useConversation race condition, added shadow host event dispatching, and expanded language support@elevenlabs/client@0.12.1 - Fixed WebSocket closure code, fixed useConversation race condition, added shadow host event dispatching, and expanded language support Android SDK v0.7.1 - Fixed agent_tool_request event handling and corrected expects_response default value API
Fetched April 9, 2026