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I will voice ai agent retell vapi ai calling agent ghl cold calling n8n make automation
John D
About this gig
Looking to automate calls, qualify leads, book appointments or follow up with customers? I'll build a custom AI vio8ce agent or AI calling agent using VAPI, Retell AI, n8n, Make and other modern AI automation tools.
Your AI agent can handle natural inbound or outbound conversations, answer FAQs, qualify leads, book appointments, transfer calls, capture customer information and trigger automated workflows.
What I can build:
- AI Voice Agent.
- AI Calling Agent.
- AI Receptionist.
- Inbound & Outbound AI Calls.
- AI Lead Qualification.
- Appointment Booking Agent.
- AI Follow-Up & Sales Caller.
- VAPI & Retell AI INtegration.
- n8n / Make Automation.
- CRM & Webhook Integration.
- Custom Call Flows & Knowledge Base and many more...
Whether you need an AI receptionist for your business, an outbound lead-calling agent or a fully automated voice workflow, I'll build the solution around your business process.
Why Work With Me?
I focus on reliable implementation, clear communication and solutions designed around your actual workflow, not generic AI demos.
Message me up so I can get to understand your project the best practices needed to get the right setup for your use case.
Get to know John D
John D
Let's convert your vision into a real product
- FromUnited Kingdom
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English, Spanish, German, French
Hi, I'm John Your-Go-Solution focused developer, builder and AI creative personnel who is into helping businesses turn ideas & Creativities into functional digital solutions and engaging content, I build Bubble web application, MVP SaaS apps, full-stack web applications, MERN solutions and AI-powered software. I also create high-converting AI video ads, Business Video creation expert, AI commercials, UGC and product videos. Expect clear communication, reliable delivery, attention to detail and smooth client cooperation from start to finish. I understand your details and work with you.
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Other Software Development Services I Offer
FAQ
Do you provide phone numbers and telephone setup?
Yes, where supported, I can help configure the required telephone integrations. Third-party platform fees are separate.
Can you build a custom workflow?
Yes. Every agent can be customized around your business process, conversation flow, qualification rules, and automation requirements.
Can you connect the agent to my CRM?
Yes. CRM, webhook, API, n8n, Make, and other automation integrations can be included depending on the package.
Can you connect the agent to my CRM?
Yes. I can build with VAPI or Retell AI and recommend the best option for your workflow.
Can you build both inbound and outbound AI voice agents?
Yes. I can build inbound assistants, outbound calling agents, AI receptionists, lead qualification agents, appointment setters, and follow-up systems.
What Platforms Do I Use to Develop AI Voice and AI Calling Agent?
I build custom AI Voice and Calling Agent using Retell AI and VAPI AI. These advanced platforms offer powerful voice recognition, natural language processing, and smooth integration with different applications to enhance functionality and user experience. Retell AI | Vapi AI | Voice Agent
Can Retell AI Voice agent and Vapi AI Voice Agent Connect with CRM Systems?
I connect Retell AI Voice agent and Vapi AI Voice Agent to Google Sheets for data, HubSpot or GoHighLevel for CRM, and Cal com, Google Calendar, or GoHighLevel Calendar for scheduling. Retell AI | Vapi AI | Retell AI Voice Agent | AI Calling Agent | Vapi AI | Retell AI | Vapi AI | Retell AI
How does the Retell AI Voice agent and Vapi AI Calling Agent & AI cold calling process work?
The Retell AI Voice and Vapi AI Calling Agent & AI cold agent automatically dials your lead list, speaks with potential customers using a human-like voice, answers common questions, and captures key details. If the lead qualifies, the AI can schedule a meeting or transfer the call to a real agent.
Can the Retell AI Voice agent and Vapi AI Voice Agent transfer calls to a human?
Absolutely. If a lead wants to speak with a real person or needs complex support, the Retell AI Voice agent and Vapi AI Voice Agent can instantly transfer the call to your sales rep or support team. Vapi AI Calling Agent | Retell AI | AI Voice Agent | Vapi AI | AI Calling Agent | Voice Agent
How do I train or customize the Retell AI Voice agent and Vapi AI Calling Agent for my business?
You can upload FAQs, scripts, or connect your knowledge base. For deeper customization, developers can tweak prompts or integrate APIs so the AI speaks in your brand’s tone and uses accurate business logic.
