You will get Custom AI Voice Agent/AI Messaging Bot with Twilio & OpenAI Realtime Twilio
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Project details
Stop relying on outdated IVR systems. Deploy a Custom AI Voice Agent built on Twilio Programmable Voice and the OpenAI Realtime API for real-time, low-latency conversations.
I develop enterprise-grade AI Voice Agents using Twilio, OpenAI, Python, and Node.js. This is a fully custom Twilio AI Voice solution. No wrappers. No platform lock-in. You own the code, infrastructure, and scaling power.
Why choose a Custom Twilio AI Build?
✅ Lowest Latency with direct WebSocket streaming via Twilio and OpenAI Realtime API
✅ Full Control over backend logic, call flows, SIP routing, and automation
✅ High Scalability using Twilio SIP Trunking and VoIP infrastructure
✅ No third-party markup fees
Technical Capabilities
🔹 Inbound AI Receptionist with Call Routing, FAQ handling, and customer support automation
🔹 Outbound AI Sales Agent for Cold Calling, Lead Qualification, and appointment setting
🔹 Function Calling with API Integration to book appointments, check inventory, update CRM
Tech Stack
🔸 Twilio Voice, VoIP, SIP Trunking
🔸 GPT-4o, OpenAI Realtime API, Whisper STT
Launch your Twilio AI Voice Agent today and automate inbound and outbound calls with scalable AI voice technology.
I develop enterprise-grade AI Voice Agents using Twilio, OpenAI, Python, and Node.js. This is a fully custom Twilio AI Voice solution. No wrappers. No platform lock-in. You own the code, infrastructure, and scaling power.
Why choose a Custom Twilio AI Build?
✅ Lowest Latency with direct WebSocket streaming via Twilio and OpenAI Realtime API
✅ Full Control over backend logic, call flows, SIP routing, and automation
✅ High Scalability using Twilio SIP Trunking and VoIP infrastructure
✅ No third-party markup fees
Technical Capabilities
🔹 Inbound AI Receptionist with Call Routing, FAQ handling, and customer support automation
🔹 Outbound AI Sales Agent for Cold Calling, Lead Qualification, and appointment setting
🔹 Function Calling with API Integration to book appointments, check inventory, update CRM
Tech Stack
🔸 Twilio Voice, VoIP, SIP Trunking
🔸 GPT-4o, OpenAI Realtime API, Whisper STT
Launch your Twilio AI Voice Agent today and automate inbound and outbound calls with scalable AI voice technology.
Programming Languages
HTML & CSS, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$95
|
Standard
$250
|
Advanced
$450
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Optional add-ons
You can add these on the next page.
Multi-Language Support
(+ 1 Day)
+$75Frequently asked questions
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About Omoniyi
AI Voice Agent Developer | Bland AI, Retell AI, Vapi | AI Receptionist
90%
Job Success
Ado-Ekiti, Nigeria - 7:54 pm local time
→ I build production-ready systems that capture inbound calls, qualify leads, book appointments, and handle customer support 24/7. Each system connects directly to your workflows using Make, n8n, Zapier, GoHighLevel and custom CRM dashboards. Teams report 30 to 35% more qualified leads after deployment.
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MY TECH STACK
✅ AI Voice Platforms: Vapi, Retell AI, Synthflow, Bland AI, Telnyx
🔸→ Voice agents handle inbound and outbound calls with natural conversation flow
🔸→ Speech processing runs through ElevenLabs, Cartesia and Deepgram for voice input and output
🔸→ Telephony routes calls through Twilio and Telnyx for SIP, call routing and phone systems
🔸→ Voice interaction design covers response timing, clarity and conversation quality
✅ AI Models & Engineering: OpenAI, Anthropic, Gemini, Groq, LangChain
🔸→ Language models process user input and generate accurate, context-aware responses
🔸→ RAG pipelines with vector databases handle context retrieval and memory
🔸→ NLP covers intent detection, sentiment tracking and structured response handling
🔸→ Python powers backend logic, API connections and system control
✅ Workflow Automation: n8n, Make, Zapier, Pabbly
🔸→ Automation flows connect AI voice systems directly to business operations
🔸→ Webhooks and APIs manage data transfer between tools and services
🔸→ Follow-up systems capture leads and trigger response sequences automatically
🔸→ Data sync covers Google Sheets, Airtable, Notion and internal dashboards
✅ CRM & Business Integrations: GoHighLevel, HubSpot, Zoho, Salesforce, Pipedrive
🔸→ CRM systems track leads, conversations and customer activity across the pipeline
🔸→ Scheduling systems manage bookings, reminders and appointment flows
🔸→ Payment integrations connect Stripe
🔸→ Additional integrations include RingCentral, Shopify and communication platforms
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WHAT I'D DELIVER
✅ AI Voice Agents & Communication Systems
🔹→ AI voice agents for inbound and outbound calls, lead qualification, appointment booking and 24/7 customer support
🔹→ Sales automation systems that recover missed calls and increase qualified leads by 30 to 35%
✅ AI Automation & Integrations
🔹→ Automation systems connecting Vapi, Telnyx, Retell AI, Bland AI and Synthflow with CRMs using APIs, webhooks and workflows
🔹→ End-to-end automations for lead tracking, follow-ups and performance monitoring
✅ AI Engineering & Development
🔹→ AI agents and automations built with Python, JSON and modern API frameworks
🔹→ RAG-based systems and context-aware integrations for smarter, more accurate voice responses
✅ Full-Stack AI Systems & Custom Dashboards
🔹→ Full-stack AI business systems covering backend logic, automation flows and data handling
🔹→ Custom dashboards, internal tools and lightweight MVPs built for speed and real-world deployment.
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WHY CLIENTS WORK WITH ME
🔸→ Delivers on deadlines without follow-up reminders or status chasing
🔸→ Builds every system to production-ready standards, not just demo quality
🔸→ Works across global time zones with clear communication at every stage
🔸→ Stays current with Vapi, Retell AI, and the broader Voice AI ecosystem as it moves fast
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📩 Send a MESSAGE/INVITE to review your current setup, identify gaps in lead handling, and deploy an AI voice agent system that increases response speed, call conversions, and revenue.
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RELEVANT SKILLS & KEYWORDS
AI Voice Agent, AI Voice Agent Developer, Vapi Expert, Vapi AI Agent, Vapi Voice Automation, Retell AI Expert, Retell AI Receptionist, Retell AI Developer, Telnyx AI Developer, Telnyx Voice Automation, Synthflow AI Agent, Bland AI Developer, ElevenLabs Voice Integration, Conversational AI Developer, AI Phone Agent, Inbound AI Agent, Outbound AI Agent, AI Receptionist, AI Call Automation, Voice AI Automation, Low Latency Voice AI, AI Lead Qualification, AI Appointment Booking, AI Customer Support, 24/7 Voice Automation, AI Sales Automation, CRM Voice Integration, GoHighLevel Voice AI, GoHighLevel Automations, GoHighLevel Inbound Webhook, Retell to GoHighLevel, Retell to Google Calendar, Make and Cal com Integration, Vapi to GoHighLevel, HubSpot Voice Automation, n8n AI Automation, Make Automation, Zapier AI Integration, Webhook Integration, API Integration, Python AI Developer, Machine Learning Integration, RAG System, RAG Pipeline, Natural Language Processing, NLP Automation, AI Workflow Automation, Business Automation, Lead Capture Automation, AI Follow-Up System, Vapi, Retell AI, Telnyx, Synthflow, Bland AI, ElevenLabs, Deepgram, Cartesia, Groq, OpenAI, Anthropic, Gemini, LangChain, n8n, Make
Steps for completing your project
After purchasing the project, send requirements so Omoniyi can start the project.
Delivery time starts when Omoniyi receives requirements from you.
Omoniyi works on your project following the steps below.
Revisions may occur after the delivery date.
Details Collation & Server Setup
Logic & Prompt Engineering