For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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HomeAPI ReferenceVoice AgentSpeech-to-TextText-to-SpeechIntelligenceSelf-Hosted Deployments
HomeAPI ReferenceVoice AgentSpeech-to-TextText-to-SpeechIntelligenceSelf-Hosted Deployments
  • Get Started
    • Overview
    • Build a Voice Agent
    • Feature Overview
    • Template Apps
  • Configure
    • Overview
    • STT Models
    • LLM Models
    • TTS Models
    • Media Inputs & Outputs
    • Prompting Voice Agents
    • Multilingual Voice Agents
    • Maintaining Context
    • Reusable Agent Configurations
  • Build
    • Multi-Agent Architecture
  • Connect
  • Controls
  • Optimize
    • Voice Agent TTS Controls
    • Message Flow
    • Audio & Playback
    • Audio Preprocessing & Barge-In
    • Adaptive Echo Cancellation
  • Resources
    • SDKs
    • UI Components
    • API Reference
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On this page
  • Voice Selection
  • Supported LLM Models
  • Conversation Context
  • Inputs: Client Messages
  • Outputs: Server Events
  • Input / Output Events
  • Rate Limits
  • Deepgram Self-Hosted
Get Started

Feature Overview

Below is a matrix of Deepgram's Voice Agent API features. Please refer to the corresponding documentation for more details.
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Template Apps

Get up and running fast with our Voice Agent template applications, fully integrated with Deepgram out-of-the-box.

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Built with

Voice Selection

Voice Selection
Deepgram TTS Voice Models
Third Party TTS Voice Models

Supported LLM Models

Models
LLM Models

Conversation Context

Feature
Agent Context

Inputs: Client Messages

Feature
Settings
Update Speak
Update Think
Update Prompt
Inject Agent Message
Inject User
Agent Keep Alive

Outputs: Server Events

Feature
Welcome
Settings Applied
Conversation Text
User Started Speaking
Agent Thinking
Acknowledgements (PromptUpdated, SpeakUpdated, ThinkUpdated)
Agent Audio Done
Errors & Warnings

Input / Output Events

Feature
Function Call Request
Function Call Response

Rate Limits

For information on Deepgram’s Concurrency Rate Limits, refer to our API Rate Limits Documentation.

Deepgram Self-Hosted

Having challenges with performance and latency? Check out Deepgram’s Self-Hosted Solution to get the benefits of running your own hosted instance of Deepgram.