Kirill R.
AI Voice API Developer | AI Receptionist | Twilio | ElevenLabs
🚀🚀Available to start today🚀🚀. Partner Verified AI Voice Agent Developer ✅ building production-focused AI voice and AI call systems with Retell AI, Vapi, ElevenLabs, Twilio Voice, GoHighLevel, n8n, OpenAI API, webhooks, and CRM automation. NEED AN AI VOICE AGENT THAT CAN ANSWER CALLS, QUALIFY LEADS, BOOK APPOINTMENTS, AND UPDATE YOUR CRM? I design AI Voice Agent workflows for inbound and outbound calling, lead qualification, appointment booking, call routing, human transfer, CRM updates, and post-call automation. Depending on your process, a voice workflow can collect 5-15+ qualification fields, connect with 1-10+ calendars, update 10-30+ CRM fields, and trigger 5-20+ automated actions after each call. WHAT AI VOICE SYSTEM CAN I BUILD FOR YOUR BUSINESS? • AI Voice Agent / AI Voice Receptionist • AI Appointment Setter • Inbound AI Voice Agent • Outbound AI Voice Agent • Lead Qualification workflows • Appointment Booking automation • 24/7 call handling • Call routing and live human transfer • GoHighLevel CRM Integration • n8n Automation • API Integration and Webhook Integration • Call summaries, transcripts, and CRM notes • Retell AI, Vapi AI, ElevenLabs, Twilio Voice, OpenAI API WHAT CAN YOUR AI VOICE AGENT INCLUDE? • Production-ready AI Receptionist • Retell AI or Vapi AI configuration • Twilio Voice telephony setup • ElevenLabs voice configuration • GoHighLevel contact creation and updates • Appointment booking and rescheduling • Calendar integration • Human call transfer • FAQ and knowledge base setup • n8n workflow automation • AI-generated call summaries stored in CRM • Lead data, notes, and call outcomes saved automatically • Call-flow testing and workflow documentation NEED AN ELEVENLABS DEVELOPER? As an ElevenLabs Developer, I configure ElevenLabs Conversational AI for AI Receptionist, AI Appointment Setter, inbound AI Voice Agent, and outbound AI Voice Agent workflows. I work with voice configuration, prompts, knowledge bases, tools, webhooks, booking logic, CRM updates, post-call actions, call transfers, interruption handling, and natural conversational flow. LOOKING FOR A VAPI DEVELOPER? As a Vapi Developer, I build Vapi AI systems for inbound calling, outbound calling, lead qualification, appointment booking, call transfer, and CRM Automation. I configure Vapi assistants, prompts, tools, functions, server URLs, webhooks, Twilio Voice, GoHighLevel, n8n, and custom APIs. Depending on complexity, a workflow can include 3-10+ backend tools and 10-25+ conversation branches. NEED A RETELL AI DEVELOPER? I configure Retell AI voice agents for AI Receptionist workflows, inbound calls, outbound campaigns, lead qualification, appointment booking, human transfer, CRM updates, and automated post-call actions. Retell AI can be connected with GoHighLevel, Twilio, n8n, calendars, APIs, webhooks, and custom business systems. LOOKING FOR A TWILIO VOICE DEVELOPER? As a Twilio Voice Developer, I configure phone numbers, inbound and outbound calling, call routing, human handoff, and telephony connectivity. I integrate Twilio Voice with Vapi AI, Retell AI, ElevenLabs, GoHighLevel, n8n, OpenAI API, and custom backend services. NEED GOHIGHLEVEL CRM INTEGRATION FOR YOUR AI CALLS? I build GoHighLevel CRM workflows that can handle: • Contact creation and updates • Opportunity and pipeline updates • 1-10+ calendar workflows • 10-30+ CRM fields • Appointment booking • Tags and call outcomes • Call summaries and transcripts • Lead qualification data • SMS and email follow-up • Post-call automation CRM workflows can include validation, retry logic, duplicate-contact handling, conditional routing, and fallback paths for failed API requests. NEED N8N AUTOMATION FOR YOUR AI VOICE AGENT? Using n8n Automation, API Integration, and Webhook Integration, I connect AI Voice Agents with GoHighLevel, calendars, forms, databases, email, Slack, internal systems, and custom APIs. Example workflow: Lead → AI Voice Agent → Qualification → Booking → CRM Update → Call Summary → Follow-up → Sales Notification An n8n workflow can contain 10-30+ nodes, 5-20+ automated actions, conditions, retries, error handling, and fallback logic depending on the business process. HOW DO I TEST AI VOICE AGENT WORKFLOWS? My AI Voice Agent Development process can include testing across 100+ call scenarios and 50+ edge cases depending on project scope. Testing can cover interruptions, unexpected questions, unavailable calendar slots, booking changes, 5+ transfer scenarios, 10+ booking conditions, voicemail, no-answer cases, callbacks, duplicate contacts, incomplete data, failed API requests, webhook retries, CRM sync failures, and human handoff. WHAT AI VOICE AGENT SKILLS CAN I BRING TO YOUR PROJECT? AI Voice Agent | AI Voice Agent Development | AI Voice Receptionist | AI Receptionist | AI Appointment Setter | ElevenLabs Developer | Vapi Developer
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $332
Billed in all: $7,001$7k
$166 in the last 6 months
Across 11 contracts
Earnings, last 30 days
Skill rankings: Top 28% in Data Science
Ranked by MRR among everyone on Upwork with the skill.
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