List Realtime Options
Configs API Endpoints
List Realtime Options
Retrieve a comprehensive list of all supported realtime voice providers, their available models, supported languages, voice configurations, and required environment variables.
GET
List Realtime Options
Retrieve the complete catalog of supported realtime voice providers and their respective capabilities. Our engine aggregates multiple state-of-the-art Voice AI providers into a single interface. This endpoint acts as a “discovery” route, returning all the configuration data you need to build dynamic agent-creation forms in your own UI.Documentation Index
Fetch the complete documentation index at: https://docs.lyzr.ai/llms.txt
Use this file to discover all available pages before exploring further.
Authentication Required: You must include your API key in the
x-api-key header to authenticate this request.Understanding the Configuration Payload
A successful request returns aproviders array. Currently, the API supports leading realtime engines including OpenAI, Gemini, Ultravox, and xAI Grok.
Each provider object contains the following nested data:
models: The specific realtime models available (e.g.,gpt-realtime,gemini-2.5-flash-native-audio).languages: Found inside each model object, this is an extensive array of supported ISO language codes (likeen,es,hi,ja) indicating what languages the model can natively understand and speak.voices: The available voice identities you can apply to the agent.