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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.

All services — compute, models, and telephony — are billed on a single Telnyx invoice. On other platforms, you pay third-party SIP fees on top of your usage. On Telnyx, those are gone entirely.

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Telnyx Ultra — Platform Exclusive

Our highest-fidelity voice. Available exclusively for agents deployed on LiveKit on Telnyx, not through the plugin alone.Head over to the TTS voice library to check out the variety of voices, languages, and accents we offer.

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STT

See telnyx.com/pricing/speech-to-text for current rates.

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TTS

See telnyx.com/pricing/text-to-speech for current rates.

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LLM

See telnyx.com/pricing/conversational-ai for current rates.