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.
Agent summaries endpoint: Added GET /v1/convai/agents/summaries endpoint for retrieving lightweight summaries of all agents in your workspace. This is useful for building agent selection interfaces without fetching full agent configurations.
Delete batch calls: Added DELETE /v1/convai/batch-calling/{batch_id} endpoint for removing batch call jobs that are no longer needed.
Branch filtering for conversations: Added optional branch_id query parameter to conversation endpoints including GET /v1/convai/conversation/get-signed-url, GET /v1/convai/conversation/token, and GET /v1/convai/conversations for filtering conversations by agent version branch.
Spelling patience configuration: Added spelling_patience setting to turn configuration with values auto, low, medium, and high. Controls how long the agent waits before assuming the user has finished spelling something out character by character.
Custom SIP headers for transfers: Added support for custom SIP headers when transferring calls via REFER. Configure custom_sip_headers arrays on phone number transfer configurations and workflow phone nodes for advanced telephony integrations.
WhatsApp accounts on agents: Agent responses now include whatsapp_accounts array for viewing connected WhatsApp Business accounts.
Zendesk integration support: Added zendesk_integration to the ConversationInitiationSource enum for conversations initiated through Zendesk.
Audio Output Formats
Expanded format options: Audio generation endpoints now support additional output formats including WAV family variants, new OPUS bitrate options, alaw_8000 for telephony, and ultra_lossless quality preset. This applies to Text-to-Speech, Text-to-Dialogue, Sound Generation, Music, and Voice Design endpoints.
Dubbing
Expanded status values: Dubbing project status now includes additional states for more granular tracking of dubbing progress.
Source language: The source_language field is now always returned when fetching a dub’s metadata.
