converse-sdk
The headless Python SDK for the Trelis Converse realtime voice API. Use it for telephony bridges, services, evaluations and custom devices.
uv add converse-sdk
The session-loop fragment below assumes your media layer supplies mic_frame and play_audio,
and your application supplies run_tool:
import os
from converse_sdk import ConverseMode, ConverseSession, ToolDefinition
lookup_tool: ToolDefinition = {
"name": "lookup_order",
"description": "Look up an order by ID.",
"parameters": {"type": "object", "properties": {"order_id": {"type": "string"}}},
"read_only": True,
"wait_for_tool": True,
"status_label": "order lookup",
}
session = await ConverseSession.connect(
"wss://converse.trelis.com/ws",
api_key=os.environ["CONVERSE_API_KEY"],
mode=ConverseMode(
instructions="Help callers with their orders.",
greeting="Hello, how can I help?",
tools=[lookup_tool],
),
)
async with session:
await session.send_audio(mic_frame) # PCM16 little-endian mono at 16 kHz
async for event in session.events():
if event.type == "audio":
play_audio(event.audio) # Float32 mono at 16 kHz
elif event.type == "tool_call":
result = await run_tool(event.data["name"], event.data["args"])
await session.send_tool_result(event.data["id"], result)
The SDK deliberately does not own capture, playback, pacing or echo cancellation. Live playback integrations must implement the playback contract.
See the complete Python reference and the Twilio bridge quickstart.
WebRTC transport (experimental)
Experimental: the API is stable, but this transport is newly shipped and still being hardened on
real networks; ws remains the default and recommended fallback.
Pass transport="webrtc" to ConverseSession.connect(...) to carry the session over WebRTC (UDP)
instead of the default WebSocket. Requires pip install "converse-sdk[webrtc]" (or uv add).
ws remains the default; most headless callers are fine on it. See the
Python guide's WebRTC section.
Proprietary software. All rights reserved.
1 maintainer
Metadata
1 maintainer
Release files for converse-sdk 0.2.1
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Release files / converse_sdk-0.2.1.tar.gz
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