> ## 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.

# Speech-to-Text REST API pricing

> Pricing for the Telnyx Speech-to-Text REST API. Billed per minute of audio processed, with model-tier rates and volume discounts available on request.

Pricing for REST API STT varies by engine and model. Contact [sales](https://telnyx.com/contact-us) or check the [pricing page](https://telnyx.com/pricing/speech-to-text) for current rates.