Telnyx Voice Media - Python

Installation

pip install telnyx

Setup

import os
from telnyx import Telnyx

client = Telnyx(
    api_key=os.environ.get("TELNYX_API_KEY"),  # This is the default and can be omitted
)

All examples below assume client is already initialized as shown above.

Play audio URL

Play an audio file on the call.

POST /calls/{call_control_id}/actions/playback_start

response = client.calls.actions.start_playback(
    call_control_id="call_control_id",
)
print(response.data)

Stop audio playback

Stop audio being played on the call.

POST /calls/{call_control_id}/actions/playback_stop

response = client.calls.actions.stop_playback(
    call_control_id="call_control_id",
)
print(response.data)

Record pause

Pause recording the call.

POST /calls/{call_control_id}/actions/record_pause

response = client.calls.actions.pause_recording(
    call_control_id="call_control_id",
)
print(response.data)

Record resume

Resume recording the call.

POST /calls/{call_control_id}/actions/record_resume

response = client.calls.actions.resume_recording(
    call_control_id="call_control_id",
)
print(response.data)

Recording start

Start recording the call.

POST /calls/{call_control_id}/actions/record_start — Required: format, channels

response = client.calls.actions.start_recording(
    call_control_id="call_control_id",
    channels="single",
    format="wav",
)
print(response.data)

Recording stop

Stop recording the call.

POST /calls/{call_control_id}/actions/record_stop

response = client.calls.actions.stop_recording(
    call_control_id="call_control_id",
)
print(response.data)

Speak text

Convert text to speech and play it back on the call.

POST /calls/{call_control_id}/actions/speak — Required: payload, voice

response = client.calls.actions.speak(
    call_control_id="call_control_id",
    payload="Say this on the call",
    voice="female",
)
print(response.data)

Webhooks

The following webhook events are sent to your configured webhook URL. All webhooks include telnyx-timestamp and telnyx-signature-ed25519 headers for verification (Standard Webhooks compatible).