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Getting Started

RTZR STT OpenAPI exposes ReturnZero’s state-of-the-art speech recognition used in our products: VITO and Callabo. We provide the same capabilities offered to enterprise on-premises customers through a cloud API. This guide explains how to use RTZR STT OpenAPI.

Features​

STT OpenAPI supports two modes:

  1. Batch/File STT: transcribe audio files
  2. Real-time Streaming STT: recognize speech over a live stream For request/response formats and details, see the Batch STT guide and the Streaming STT guide.

Register an application​

Follow these steps to get started:

  1. Sign up on the RTZR Developers site: https://developers.rtzr.ai/signup
  2. Open the Console: https://developers.rtzr.ai/console/
  3. Issue Secret credentials required for API integration

Use RTZR STT OpenAPI​

After registration, obtain an access token using your Secret and the authentication flow, then call the API with that token. See the Authentication guide for details.

Notes​

  • Free quota: 600 minutes provided by default
  • Retention: Batch STT results are retained for 3 days, then deleted
  • Architecture: Prefer server-side integration over direct web/app client calls

If you have questions or feedback, email us or open the chat.