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Documentation Index

Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt

Use this file to discover all available pages before exploring further.

Telnyx STT transcribes audio to text in three ways:

WebSocket Streaming

Stream audio over a persistent WebSocket connection. Real-time partial and final transcripts.

File-Based Transcription

Upload audio files via REST API. OpenAI-compatible endpoint.

In-Call Transcription

Enable transcription during live voice calls via Call Control or TeXML.