I will build ai voice agent, ai calling agent using vapi retell ai bland ai with n8n

J
johncarter200
J
johncarter200
John Carter
build ai voice agent, ai calling agent using vapi retell ai bland ai with n8n
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build ai voice agent, ai calling agent using vapi retell ai bland ai with n8n

About this gig

Need an AI Agent that can answer calls, qualify leads, book appointments, or automate customer conversations?


You are in the right place.


I build custom AI Agents, AI Calling Agents, and Conversational AI systems using tools like VAPI, Retell AI, Bland AI, ElevenLabs, Twilio, Make.com, n8n, Voiceflow, and GoHighLevel.


What I can build:

  • AI Agent Setup
  • AI Calling Agent Development
  • Inbound & Outbound Calling Systems
  • Appointment Booking Voice Agents
  • Customer Support Voice Bots
  • Lead Qualification AI Agents
  • CRM Integration
  • Twilio Integration
  • API Integration
  • Workflow Automation
  • Custom Prompt Engineering
  • Multi-Step Call Flows


Technologies & Platforms:

  • VAPI AI
  • Retell AI
  • Bland AI
  • ElevenLabs
  • Twilio
  • Voiceflow
  • Make.com
  • n8n
  • OpenAI / GPT
  • GoHighLevel

  • Perfect For:

  • Real Estate
  • Healthcare
  • Agencies
  • Customer Support
  • Sales Teams
  • Appointment Booking
  • Lead Generation


I focus on building scalable, reliable, and production-ready AI voice systems tailored to your business needs.


Send me a message before ordering so we can discuss your project requirements.

  • AI Model Frameworks & Tools

    • LangChain
    • AutoGPT / Agent GPT
    • Baby AGI
    • CrewAI
    • Retell AI
    • Vapi AI
    • n8n
    • OpenAI ChatGPT
    • Anthropic Claude
    • Google Gemini
    • Mistral
    • Meta Llama
    • Cohere
    • OpenRouter
    • xAI Grok
    • Perplexity

  • Platform

    • Alexa
    • Amazon Fire TV
    • Automate
    • Custom
    • HubSpot CRM
    • Instagram
    • LG WebOS
    • Microsoft Dynamics 365
    • Microsoft Teams
    • monday.com CRM

  • Type

    • Data syncing
    • Social media posting
    • Lead generation
    • Task automation
    • Data backup

  • Automation Integration Points

    • Website
    • Mobile app
    • Google Sheets
    • Trello
    • Slack
    • Email
    • Airtable
    • Asana
    • Monday.com
    • Shopify
    • Salesforce
    • Mailchimp
    • Social Media
    • Hubspot
    • TypeForm
    • JotForm

  • Programming Language

    • Assembly
    • Bash
    • Dart
    • JavaScript
    • PHP
    • Python
    • Solidity
    • TypeScript
    • ASP.NET
    • C&C++

Get to know John Carter

John Carter

AI Chatbot Developer,, RAG, LLM Custom AI Agent Builder

  • FromUnited States
  • Member sinceJun 2026

  • Languages

    English, French, German, Spanish, Italian
I build custom AI chatbots, RAG systems, LLM applications, and Make.com automation workflows for businesses that want to work smarter. On the AI side I build chatbots trained on your data using RAG pipelines, LLM integration with OpenAI and Claude, and AI agents that take action. On the automation side I build Make.com scenarios, n8n workflows, Zapier flows, and API integrations that eliminate manual tasks. I have delivered AI chatbot systems, WhatsApp Business API builds, CRM integrations, and business automation for clients across Europe.

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