I will build vapi ai voice agent, retell ai receptionist, synthflow and twilio bot


About this gig
Need a Vapi AI voice agent or AI receptionist that answers calls like a pro?
Hi! I am Robert, and I build Vapi AI voice agents, Retell AI receptionists, Synthflow bots, and Twilio call systems that help businesses answer calls, capture leads, book appointments, and send clear call summaries.
Services Include:
- Custom AI voice agent
- AI receptionist setup
- Inbound and outbound call flow
- Lead capture questions
- Appointment booking
- Call summaries
- Human handoff
- Prompt and voice optimization
- Testing and bug fixing
Tech Stack
Vapi AI, Retell AI, Synthflow, Twilio, ElevenLabs
ManyChat, Google Calendar, Google Sheets
OpenAI, Claude API, Zapier, Make
CRM and booking tool integrations
Industries Served
- Real Estate
- Healthcare
- Cleaning
- Salon and Spa
- Coaching
- Agencies
- Restaurants
- Home Services
- E-commerce
- Local Businesses
Why Choose Me?
- I focus on simple, clear, and working AI call systems
- Your agent will follow your business script
- I test the call flow before delivery
- I explain the setup in easy language
- Ready to stop missing calls?
Click Continue or message me now, and lets build your custom AI voice agent.
Get to know Robert H
AI Voice Agent Expert, Vapi, Retell AI, Twilio And Synthflow
- FromUnited Kingdom
- Member sinceJun 2026
- Avg. response time1 hour
Languages
English
FAQ
What type of AI voice agent can you build?
I can build an AI voice agent for inbound calls, missed calls, appointment booking, lead capture, customer support, FAQs, call routing, and simple outbound calls.
Which tools do you work with?
I can work with Vapi AI, Retell AI, Synthflow, Twilio, ElevenLabs, ManyChat, Google Calendar, Google Sheets, and CRM tools.
Can you build an AI receptionist for my business?
Yes. I can build an AI receptionist that answers calls, greets customers, asks questions, collects details, and sends you a clear call summary.
Can the AI voice agent book appointments?
Yes. I can connect the AI voice agent with your calendar or booking system so customers can choose a time based on your availability.
Can the AI transfer calls to a real person?
Yes. I can set up human handoff so the AI can transfer important calls to you or your team when needed.
Can the AI send call summaries after each call?
Yes. I can set it up to send call summaries by email, Google Sheets, CRM, Slack, or another tool you use.
Are tool subscription fees included in your package?
No. My package covers the setup work only. Any fees from Vapi, Retell, Synthflow, Twilio, ElevenLabs, or other apps are paid by you directly.
Can you fix my existing Vapi, Retell, Twilio, or Synthflow setup?
Yes. I can check your current setup, fix broken call flows, improve prompts, test calls, and make the system work better.
What do you need from me to start?
need your business name, call goal, call script or questions, tool access, booking link, and where you want leads or call summaries sent.
Should I message you before placing an order?
Yes. Please message me first so I can understand your business, tools, call flow, and the best setup for your AI voice agent.

