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$
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I will ai receptionist ghl appointment booking retell ai voice agent vapi ai cold call
Nduka Marvelous
Level 2
1 order in queue
4.8
4.8
What people loved about this freelancer
natomasrealty
United States
Marvelous did an excellent job setting up my AI assistant/Receptionist, he is very knowledgeable and great to work with! He is a hard worker and even stayed...
ali_otn
Morocco
Marvelous delivered exactly what was promised! He successfully built an inbound AI voice agent using Retell AI and the ElevenLabs voice integration sounds incredibly...
snowstriker
Austria
Excellent work! They perfectly configured my GoHighLevel AI voice agent and workflow automations exactly as requested. The integration was seamless and delivered...
jreedd
United States
This was a build that he was able to complete with my collaboration, specifically for the purpose of a SaaS product that required a call agent and workflows.
gigi_gg_
Austria
It was great working with you. And thank you again for understanding a few changes even if you didn't have to do it. That helped me a lot!
About this gig
Need an AI voice agent that answers calls, qualifies leads, and books appointments 24/7?
I will set up an AI voice agent to automate inbound and outbound calls, improve speed-to-lead, and convert leads without human intervention.
This is ideal for businesses needing an AI receptionist for inbound calls, an AI appointment booking phone agent, and automated outbound calling systems.
Using Retell AI, Vapi AI, ElevenLabs Conversational AI, Synthflow AI, and Bland AI, combined with n8n, Make, or Zapier for automation, integrated with CRMs like GoHighLevel, HubSpot, Pipedrive, Zoho, and Salesforce to qualify leads and book appointments directly into Google Calendar, Calendly, or Cal.com.
What I deliver:
- AI voice agent setup (Retell AI / Vapi)
- Lead qualification call flows
- CRM integration/GHL
- Appointment booking automation
- n8n webhook workflows
- Call summaries, transcripts, and follow-ups
- Human handoff and voicemail handling
Perfect for real estate, HVAC, dental clinics, roofing, and service businesses needing a speed-to-lead AI calling system.
Send a message now, let's build your ai voice agent system so you can start automating calls and booking appointments now
Get to know Nduka Marvelous
Nduka Marvelous
AI Receptionist, Ai Voice Agent Developer, GoHighLevel n8n retell ai
Level 2
- FromNigeria
- Member sinceAug 2025
- Avg. response time1 hour
- Last delivery1 week
Languages
English, Spanish
An AI Receptionist and Ai Voice Agent bot Developer building automated phone systems that speak like humans. I design and scale custom calling setups using Retell AI and Vapi. Everything routes through custom n8n workflows to tie directly into your GoHighLevel setup. My systems eliminate manual front-desk work. The bot answers inbound lines instantly, qualifies prospects, and schedules appointments on autopilot. You get ultra-low latency, clean prompt logic, and instant CRM data syncing. Stop letting warm leads sit.
Contact me to deploy your automated voice system today.
My Portfolio
FAQ
Do you connect the Vapi AI voice agent directly to my GoHighLevel calendar?
Yes. I use n8n webhooks to link your Vapi AI voice agent to your GoHighLevel appointment booking system. This allows the AI to check your real-time availability and instantly update your CRM after every call.
Can I choose Retell AI instead of Vapi for my voice assistant?
I build custom solutions using both Vapi AI and Retell AI. We will review your specific latency requirements and call volume to determine the best voice engine for your GoHighLevel appointment booking setup.
Do you also build a standard AI chatbot for text messages?
My primary focus is the AI voice agent, but I can easily configure an AI chatbot for your website or SMS. This ensures you capture leads through both voice and text directly into your GoHighLevel pipeline.
Why do you use n8n for the automation backend?
n8n provides a secure, cost-effective bridge between your voice AI agent and crm like GoHighLevel. It handles complex data routing, allowing the system to update pipelines, create contacts, and trigger SMS follow-ups.
How do I test the AI receptionist before you deliver the final project?
I will provide a dedicated test phone number. You can call the AI voice agent yourself to test the conversational flow, objection handling, and GoHighLevel appointment booking accuracy before we finalize it.
Can the AI voice agent speak multiple languages?
Yes. Both Vapi AI and Retell AI support a wide variety of languages and accents. Let me know your target demographic, and I will configure the voice agent to schedule your appointments fluently.
How do I start?
Just send me your business info and what you want to achieve, and I’ll create a personalized setup plan for your AI Voice Agent.
Reviews
20 reviews for this Gig
| (18) | ||
| (1) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A ali_otn
Repeat Client
Morocco
Working with Marvelous was a great experience. He successfully built and automated our AI voice calling system using Retell AI, GoHighLevel, and n8n. The project included AI outbound calling automation, CRM integration, appointment booking workflows, callback handling, and automatic call summaries synced...
$100-$200
Price
8 days
Duration
Helpful?S shonna1
United States
I was interested in having a Bot set up to make 200-250 cold calls f real estate a day. After doing my research I found out that can not happen. The limit is 100 calls per day. Also their are other things that have to be set up before you can do this. -Seller did not advise me of this. I explained...
Up to $50
Price
1 day
Duration
Helpful?A ali_otn
Repeat Client
Morocco
Marvelous delivered exactly what was promised! He successfully built an inbound AI voice agent using Retell AI and the ElevenLabs voice integration sounds incredibly natural to callers. The n8n automation works flawlessly behind the scenes, seamlessly booking appointments and pushing accurate customer...
$50-$100
Price
2 days
Duration
Helpful?E emma_injury
United Kingdom
New to Fiverr, wasn't sure what to expect but Nduka has been fab, very contactable and able to do the work with a few suggestions too :). Really happy with the project and would use him again 100%
$200-$400
Price
3 weeks
Duration
Helpful?S snowstriker
Repeat Client
Austria
Excellent work! They perfectly configured my GoHighLevel AI voice agent and workflow automations exactly as requested. The integration was seamless and delivered on time. Highly recommend for any GHL or ai Voice agent setups!
Up to $50
Price
2 days
Duration
Helpful?
Reviews
20 reviews for this Gig
| (18) | ||
| (1) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A ali_otn
Repeat Client
Morocco
Working with Marvelous was a great experience. He successfully built and automated our AI voice calling system using Retell AI, GoHighLevel, and n8n. The project included AI outbound calling automation, CRM integration, appointment booking workflows, callback handling, and automatic call summaries synced...
$100-$200
Price
8 days
Duration
Helpful?S shonna1
United States
I was interested in having a Bot set up to make 200-250 cold calls f real estate a day. After doing my research I found out that can not happen. The limit is 100 calls per day. Also their are other things that have to be set up before you can do this. -Seller did not advise me of this. I explained...
Up to $50
Price
1 day
Duration
Helpful?A ali_otn
Repeat Client
Morocco
Marvelous delivered exactly what was promised! He successfully built an inbound AI voice agent using Retell AI and the ElevenLabs voice integration sounds incredibly natural to callers. The n8n automation works flawlessly behind the scenes, seamlessly booking appointments and pushing accurate customer...
$50-$100
Price
2 days
Duration
Helpful?E emma_injury
United Kingdom
New to Fiverr, wasn't sure what to expect but Nduka has been fab, very contactable and able to do the work with a few suggestions too :). Really happy with the project and would use him again 100%
$200-$400
Price
3 weeks
Duration
Helpful?S snowstriker
Repeat Client
Austria
Excellent work! They perfectly configured my GoHighLevel AI voice agent and workflow automations exactly as requested. The integration was seamless and delivered on time. Highly recommend for any GHL or ai Voice agent setups!
Up to $50
Price
2 days
Duration
Helpful?
