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Fiverr Pro
English
$
USD
I will chatbot booking gohighlevel n8n workflow automation vapi ai voice agent zorvex
Felix
About this gig
Your ai voice agent sounded perfect in the demo. Then a real caller hit a slow calendar lookup, the line went quiet, and nobody knew it failed.
I've traced that exact break many times. It's rarely the voice model. It's the plumbing: webhooks, tool-call delays, and a per-minute price covering only one of five cost layers.
I build voice agents you can monitor, and I'll tell you honestly whether vapi ai, retell ai or native gohighlevel fits.
What I deliver:
- - ai voice agent and ai receptionist on vapi ai or retell ai, tested on messy real calls
- - ai calling agent and ai cold calling flows with voicemail detection and human handoff
- - chatbot booking synced to your gohighlevel calendar and crm
- - n8n workflow automation: post-call crm updates, sms follow-up, failure alerts
- - a cost map of telephony, speech, llm and platform fees before you commit
- - n8n 2.0 migration for workflows broken by the new publish model
- - api integration and zapier automation for sheets, calendars and crm
- - ai automation and business automation
I fix root causes, not symptoms.
Send me your use case and what's failing. I'll reply with where it breaks, the stack I'd pick, and a build plan before you order.
Get to know Felix
Felix
Ai Automation Specialist
- FromUnited States
- Member sinceOct 2026
Languages
English, French
Hi, I'm Felix, an AI automation and agent developer. I build AI agents and automations that save businesses hours of manual work every week.
I specialize in Claude Code and Claude Cowork setups, custom AI agents (Jarvis and Hermes style), MCP integrations, n8n workflows, API connections, and Shopify Liquid customization.
I deliver working, documented solutions with fast replies and clear communication from start to finish.
Your idea, my expertise. Let's bring them to reality.
Other AI Development Services I Offer
FAQ
What do you need from me to start building my ai voice agent?
Tell me your business type, what callers usually ask, and what the agent should do: book, qualify, answer FAQs or transfer. Send your calendar or CRM name, opening hours, and any call script you already use. If you haven't picked a platform, I'll recommend vapi ai, retell ai or gohighlevel voice.
Should I use vapi ai, retell ai or gohighlevel voice for my business?
It depends on your setup. If you already run everything in gohighlevel, its native voice agent is simplest. Retell ai tends to launch fastest. Vapi ai gives the most control, custom logic and language options. Tell me your tools, call volume and goal, and I'll say which fits and why.
Will the ai receptionist book into my calendar and update gohighlevel or my CRM?
Yes. Basic connects one calendar for live booking. Standard adds CRM sync (gohighlevel, HubSpot or Sheets), pipeline updates and sms follow-up. I test double bookings, time zones and cancelled slots before handover, so appointments land where your team expects them.
Who owns the agent and accounts when you finish? Am I locked in?
You do. I build inside your own vapi ai, retell ai, Twilio and n8n accounts, so keys and billing stay with you. You get the prompts, workflows and a short walkthrough. Call minutes, phone numbers and AI model usage are billed by those providers, separate from my fee.
Will the ai voice agent sound robotic or lag when callers interrupt it?
Delay comes from the whole chain: speech recognition, the AI model, the voice, telephony and any calendar or CRM lookup. I tune each part and test with interruptions, accents and background noise. I can't promise zero lag on every call, but I report what I measured and what trade-offs I made.
My ai calling agent already exists but fails on real calls. Can you fix it instead?
Usually yes. Send me the platform, a few failed call recordings and what went wrong. I check the prompt, tool calls, webhooks and n8n workflow automation, then tell you whether it's a fix or a rebuild before you commit. Most failures come from slow tool calls or silent webhook errors, not the voice.
Can you build an ai cold calling agent, and is outbound calling legal for me?
I can build outbound calling with voicemail detection, an AI disclosure line and opt-out handling. Rules on consent and do-not-call lists differ by country, and in the US an AI voice generally counts as artificial. You stay responsible for consent and lead lists, and I'm not a lawyer so check rules.
What happens if a call fails or a booking never reaches my CRM?
With Premium, n8n automation logs every call and alerts you when a booking, webhook or CRM update fails, so nothing drops silently. On Basic and Standard I test the paths before delivery but don't add live monitoring. If I find your setup can't do something as scoped, I tell you before building.
What's the difference between your Basic, Standard and Premium packages?
Basic is one ai voice agent on vapi ai or retell ai with calendar booking and a live test call. Standard adds an ai receptionist with CRM sync, n8n workflow automation, sms follow-up and human handoff.Premium adds inbound plus outbound calling, call logs, failure alerts and a cost breakdown.
How long will it take, and how do we communicate while you build?
Delivery follows the package, and the clock starts once I have your answers. I'll share a test number or recording before the final version so you hear it work and can request changes. Updates come through Fiverr chat at each milestone, and I flag any delay as soon as I see it.
