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Changelog

October 7, 2025

Agents Platform

  • Gemini 2.5 Flash Preview models: Added support for gemini-2.5-flash-preview-09-2025 and gemini-2.5-flash-lite-preview-09-2025 LLM models, providing access to the latest September 2025 preview versions of Google’s Gemini 2.5 Flash models.
  • Claude Sonnet 4.5: Added support for claude-sonnet-4-5 and claude-sonnet-4-5@20250929 models, enabling access to the latest Claude Sonnet 4.5 model released on September 29, 2025.
  • Test invocations listing: Added new GET /v1/convai/test-invocations endpoint to list all test invocations with pagination support. Includes agent_id filter, page_size parameter (default 30, max 100), and cursor for pagination. Response includes test run counts, pass/fail statistics, and titles.
  • Agent archiving: Added archived field (boolean, default false) to agent platform settings, allowing agents to be archived without deletion while keeping them out of active agent lists.
  • MCP Server interruption control: Added disable_interruptions field (boolean, default false) to MCP server configuration, preventing user interruptions during tool execution for more reliable tool completion.
  • Streaming agent responses: Added agent_chat_response_part WebSocket event type for receiving partial agent chat responses in real-time during streaming conversations.
  • Workflow edge ordering: Added edge_order field (array of strings) to all workflow node types, enabling explicit control over edge evaluation order for deterministic workflow execution.
  • Test suite agent tracking: Added agent_id field (string, nullable) to test invocation responses for associating test runs with specific agents.

Voice Management

  • Voice generation source tracking: Added VoiceGeneration as a new source type in the History API for tracking audio generated from voice generation features.

Telephony

  • SIP trunk TLS validation: Added remote_domains field (array of strings, nullable) to SIP trunk configuration for specifying domains used in TLS certificate validation.

SDK Releases

JavaScript SDK

  • v2.18.0 - Updated with latest API schema changes from October 8, 2025

Python SDK

  • v2.17.0 - Updated with latest API schema changes and URL generation fixes from October 6, 2025

Packages

All packages updated with latest API schema changes:

  • @elevenlabs/react-native@0.3.2 - Updated TypeScript types and API client with new fields for agent archiving, MCP server configuration, and test invocations
  • @elevenlabs/react@0.7.1 - Updated React hooks and components with support for new agent settings and WebSocket events
  • @elevenlabs/client@0.7.1 - Core client library updated with new endpoint for test invocations listing and reorganized SDK method paths for secrets management
  • @elevenlabs/agents-cli@0.4.2 - CLI tool updated with support for new agent archiving flag and test invocation commands

MCP Server

  • v0.9.0 - Added option to return MCP server results as resource items for better integration with resource-based workflows

API

New Endpoints

Agents Platform

  • GET /v1/convai/test-invocations - List all test invocations with pagination support
    • Parameters:
      • agent_id (required, string) - Filter by agent ID
      • page_size (optional, integer, default=30, max=100) - Number of results per page
      • cursor (optional, string) - Pagination cursor from previous response
    • Response: Returns paginated list with test run counts, pass/fail statistics, titles, and next cursor

New Fields

Agents Platform

  • Agent Settings: Added archived field (boolean, default false) to AgentPlatformSettingsRequestModel and AgentPlatformSettingsResponseModel for archiving agents
  • MCP Servers: Added disable_interruptions field (boolean, default false) to MCP server configuration schemas for preventing user interruptions during tool execution
  • Workflows: Added edge_order field (array of strings) to all workflow node types for explicit edge evaluation ordering
  • Test Invocations: Added agent_id field (string, nullable) to GetTestSuiteInvocationResponseModel for agent tracking

Telephony

  • SIP Trunks: Added remote_domains field (array of strings, nullable) to GetPhoneNumberInboundSIPTrunkConfigResponseModel and InboundSIPTrunkConfigRequestModel for TLS certificate validation

WebSocket Events

  • Added agent_chat_response_part to ServerEventType enum for streaming partial agent chat responses

Voice Management

  • Added VoiceGeneration to speech history source types

New LLM Models

Added the following models to the LLM enum:

  • claude-sonnet-4-5 - Claude Sonnet 4.5 latest
  • claude-sonnet-4-5@20250929 - Claude Sonnet 4.5 dated release (September 29, 2025)
  • gemini-2.5-flash-preview-09-2025 - Gemini 2.5 Flash preview (September 2025)
  • gemini-2.5-flash-lite-preview-09-2025 - Gemini 2.5 Flash Lite preview (September 2025)

Other Changes

Pronunciation Dictionaries

  • Updated parameter description for version_id in GET /v1/pronunciation-dictionaries/{dictionary_id}/{version_id}/download from “The id of the version of the pronunciation dictionary” to “The id of the pronunciation dictionary version”
  • Removed documentation note about UI limitation for multiple pronunciation dictionaries (multiple dictionaries now fully supported in UI)

Conversation History

  • Made type field optional in ConversationHistoryTranscriptOtherToolsResultCommonModel (previously required)