How to Build an AI Calling Bot

Learn how to build an AI calling bot using Vapi AI or Retell AI — system prompt design, GoHighLevel integration, phone number setup, and testing your first AI call.

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How to Build an AI Calling Bot

Building an AI calling bot requires choosing a platform (Vapi AI or Retell AI), writing a strong system prompt, configuring the voice and model, connecting a phone number, and integrating with your CRM. Here's the AutomateX360 step-by-step process.

Step-by-Step AI Calling Bot Build

Step 1: Choose your platform — Vapi AI (more customizable) or Retell AI (easier setup)
Step 2: Write your AI agent's system prompt and persona
Step 3: Select LLM (GPT-4o recommended) and voice model
Step 4: Build your conversation flow and knowledge base
Step 5: Connect a Twilio or Vonage phone number
Step 6: Integrate with GoHighLevel CRM via webhook
Step 7: Test with real calls — iterate on the prompt

Ready to get started? Visit AutomateX360 or book a free AI audit today.