I will ai receptionist ghl appointment booking retell ai voice agent vapi ai cold call


Level 2
1 order in queue
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...
tierradelsol

United States
Working with Marvelous has made the whole process feel stress-free, which is invaluable when you're running a business and managing multiple priorities. I'm...
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.
About this gig
Missing calls, slow lead response, and manual appointment booking could be costing your business valuable customers.
I build AI receptionists and AI voice agents that answer calls, qualify leads, book appointments, handle customer inquiries, and make outbound cold calls 24/7.
Services include:
- AI receptionist setup
- AI voice agent development
- Appointment booking automation
- Lead qualification and follow-up
- Inbound call handling
- Outbound cold calling
- Call transfer to your team
- CRM and calendar integration
Business benefits:
- Never miss a lead again
- Respond to inquiries instantly
- Reduce operational costs
- Increase appointment bookings
- Improve customer experience
- Scale without hiring additional staff
Platforms:
- Vapi AI
- Retell AI
- GoHighLevel (GHL)
- Twilio
- ElevenLabs
- OpenAI
- Make.com
- N8N
Why choose me?
- Tailored solutions for your business
- Reliable automation built to scale
- Clear communication and support
- Focused on results, not just setup
Contact me before ordering to discuss your workflow and business goals. I'll recommend the best AI receptionist or voice agent solution for your needs.
Get to know Nduka Marvelous
GHL AI Receptionist, Ai Voice Agent Developer, GoHighLevel n8n retell ai
Level 2
- FromNigeria
- Member sinceAug 2025
- Avg. response time1 hour
- Last deliveryabout 16 hours
Languages
English, Spanish
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.
21 reviews for this Gig
| (19) | ||
| (1) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
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
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?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?T 
tierradelsol

United States
Working with Marvelous has made the whole process feel stress-free, which is invaluable when you're running a business and managing multiple priorities. I'm genuinely glad to have him as part of our team and have opened up my business to progress. He has became our go-to guy"
$400-$600
Price
4 weeks
Duration
Helpful?N 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 up late working due to the time difference, highly recommended!
$200-$400
Price
3 weeks
Duration
Helpful?
21 reviews for this Gig
| (19) | ||
| (1) | ||
| (1) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
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
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?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?T 
tierradelsol

United States
Working with Marvelous has made the whole process feel stress-free, which is invaluable when you're running a business and managing multiple priorities. I'm genuinely glad to have him as part of our team and have opened up my business to progress. He has became our go-to guy"
$400-$600
Price
4 weeks
Duration
Helpful?N 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 up late working due to the time difference, highly recommended!
$200-$400
Price
3 weeks
Duration
Helpful?

