Multi Purpose Voice Agent Showcase

A collection of interactive voice agent templates demonstrating customer support, language tutoring, appointment scheduling, interview practice, phone triage, and lead capture use cases. Built on AssemblyAI's Voice Agent API with real-time tool calling and turn detection.

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The numbers

latency—

cost / min—

frameworkCustom

The stack

telephonyWeb Only

speech-to-textAssemblyAI Streaming

llmGPT-4o

text-to-speechElevenLabs Turbo v2.5

System prompt

No prompt published.

Config

config.json

{
  "tools": [
    {
      "name": "order_lookup",
      "description": "Tool: order_lookup"
    },
    {
      "name": "availability_check",
      "description": "Tool: availability_check"
    },
    {
      "name": "lead_scoring",
      "description": "Tool: lead_scoring"
    },
    {
      "name": "call_routing",
      "description": "Tool: call_routing"
    }
  ],
  "sample_rate": 24000,
  "audio_format": "pcm16",
  "turn_detection": true,
  "worklet_based_capture": true
}

Tools

order_lookupTool: order_lookup
availability_checkTool: availability_check
lead_scoringTool: lead_scoring
call_routingTool: call_routing

Voice AI recipes, picks, and analysis.

Get the useful new templates plus the occasional teardown of what’s working in production voice AI.