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.
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Changelog

April 28, 2025
April 28, 2025
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April 21, 2025

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Agents Platform

  • Custom Dashboard Charts: The Agents Platform dashboard can now be extended with custom charts displaying the results of evaluation criteria over time. See the new GET and PATCH endpoints for managing dashboard settings.
  • Call History Filtering: Added the ability to filter the call history by start date using the new call_start_before_unix parameter in the List Conversations endpoint. Try it here.
  • Server Tools: Added option of making PUT requests in server tools
  • Transfer to number: Added call forwarding functionality to support forwarding to operators, see docs here
  • Language detection: Fixed an issue where the language detection system tool would trigger on a user replying yes in non-English language.

Usage Analytics

  • Custom Aggregation: Added an optional aggregation_interval parameter to the Get Usage Metrics endpoint to control the interval over which to aggregate character usage (hour, day, week, month, or cumulative).
  • New Metric Breakdowns: The Usage Analytics section now supports additional metric breakdowns including minutes_used, request_count, ttfb_avg, and ttfb_p95, selectable via the new metric parameter in the Get Usage Metrics endpoint. Furthermore, you can now get a breakdown and filter by request_queue.

API

View API changes

New Endpoints

  • Added 2 new endpoints for managing Agents Platform dashboard settings:
    • Get Dashboard Settings - Retrieves custom chart configurations for the ConvAI dashboard.
    • Update Dashboard Settings - Updates custom chart configurations for the ConvAI dashboard.

Updated Endpoints

Audio Generation (TTS, S2S, SFX, Voice Design)

  • Updated endpoints to support new output_format option pcm_48000:
    • Text to Speech (POST /v1/text-to-speech/{voice_id})
    • Text to Speech with Timestamps (POST /v1/text-to-speech/{voice_id}/with-timestamps)
    • Text to Speech Stream (POST /v1/text-to-speech/{voice_id}/stream)
    • Text to Speech Stream with Timestamps (POST /v1/text-to-speech/{voice_id}/stream/with-timestamps)
    • Speech to Speech (POST /v1/speech-to-speech/{voice_id})
    • Speech to Speech Stream (POST /v1/speech-to-speech/{voice_id}/stream)
    • Sound Generation (POST /v1/sound-generation)
    • Create Voice Previews (POST /v1/text-to-voice/create-previews)

Usage Analytics

  • Updated usage metrics endpoint:
    • Get Usage Metrics (GET /v1/usage/character-stats) - Added optional aggregation_interval and metric query parameters.

Agents Platform

  • Updated conversation listing endpoint:
    • List Conversations (GET /v1/convai/conversations) - Added optional call_start_before_unix query parameter for filtering by start date.

Schema Changes

Agents Platform

  • Added detailed LLM usage and pricing information to conversation charging and history models.
  • Added tool_latency_secs to tool result schemas
  • Added access_info to GET /v1/convai/agents/{agent_id}