---
title: "Building Realistic Voice Agents Has Never Been Easier"
source_url: https://youtu.be/-cdexJWN8YA
captured_at: 2026-05-04
author: "Nate Herk | AI Automation"
contributor: "ชิดชนก"
platform: youtube
---
# Building Realistic Voice Agents Has Never Been Easier

youtube video by **Nate Herk | AI Automation**, 32m23s, uploaded 2026-05-04. URL: https://youtu.be/-cdexJWN8YA

## Shared in LINE Note+
- 2026-05-04 21:42 by ชิดชนก

## Description
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Voice agents used to mean clicking through ElevenLabs dashboards and wiring up API endpoints by hand. 

In this one I built a working voice agent for a website that captures leads and books discovery calls through cal.com, all by describing it in plain English to Claude Code. You'll see the full build, the bugs I hit along the way, and how I debugged them without ever touching the docs.

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TIMESTAMPS 
0:00 Intro & Demo
3:00 How Voice Agents Work
5:42 Three Ways to Deploy
6:43 Setting Up Claude Code
8:14 Plan Mode Build
14:03 Adding API Keys
17:11 First Test & Iteration
22:50 Debugging the Time Zone Bug
26:55 Final Booking Demo
29:14 Security & Cost
31:34 Final Thoughts