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WhatsApp Voice AI Bot (Multi-language, n8n + OpenAI + WATI) Project Overview: We are building a production-level WhatsApp Voice AI system for a ride-hailing company with 900+ drivers. The system must support voice-first communication, multiple local languages, and a combination of structured workflows + AI responses. This is not a basic chatbot we need a scalable, reliable conversational system. Scope of Work: 1. WhatsApp Integration (WATI) Setup WATI and connect WhatsApp Business API numbers Configure webhooks (send/receive messages) Support multiple numbers with shared backend 2. Voice AI Pipeline Voice input → Whisper transcription (Urdu, Pashto, Punjabi, Saraiki) AI processing (GPT-4o / Claude) Text → Urdu voice (TTS) Voice input → voice + text reply Text input → text reply only 3. Intent Routing System Build structured flows for: Driver registration (multi-step) Bonus/payment queries Top-ups Ride/account issues Office info + FAQs Angry drivers → instant escalation 4. Hybrid Logic (Flows + AI) Fixed flows for critical processes (registration, payments, escalation) AI for general queries (KB-based only, no hallucination) 5. Session & Context Maintain per-driver conversation memory Handle multi-step interactions 6. Escalation System Detect frustration or critical cases Generate ticket ID Send full transcript to support via WhatsApp Allow human agent to continue conversation 7. Reliability Voice reply must always work (fallback TTS required) Error handling + retries Low response time 8. Architecture n8n (or Make) for workflows Optional Python for logic/scaling Design for scaling (100 → 500 msgs/day) Deliverables: Fully working WhatsApp AI system Voice input/output pipeline Intent routing + flows Escalation + alerts KB integration Tested with real users Requirements: Experience with WATI/Twilio (WhatsApp API) OpenAI / Claude integration Whisper + TTS experience n8n / Make workflows Strong backend/system design Notes: Voice UX is critical (low-literacy users) Focus on reliability and clean architecture Long-term work possible after delivery Timeline Total: (10 days) Phase 1: 5 Days Phase 2: 5 Days Budget full and final: $70 NZD
Project ID: 40407302
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34 freelancers are bidding on average $133 NZD for this job

Hello, You’re not just trying to “answer messages” here , you’re trying to prevent 900+ drivers, many using voice and local languages, from getting stuck, frustrated, or flooding support with repeat issues. I understand the real goal: a reliable voice-first WhatsApp system where structured workflows handle critical tasks and AI only responds safely from the knowledge base. I can help design and build this using WATI webhooks, n8n workflows, OpenAI/Whisper, GPT-4o or Claude, Urdu TTS fallback, session memory, intent routing, and escalation logic. I’ve worked across backend automation, API integrations, AI chat systems, and production web/mobile workflows, so I’ll focus on clean architecture, retries, low-friction voice UX, and safe handoff to human support. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Your 10-day Phase 1/Phase 2 plan is workable if access, KB content, and WATI setup details are ready early. For the first production version, do you already have the Urdu/Pashto/Punjabi/Saraiki FAQ knowledge base and driver registration/payment flow rules documented, or should I help structure those before building the n8n + WATI workflows? Also, will escalation go to a shared support WhatsApp number, a WATI agent inbox, or both? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$75 NZD in 3 days
8.2
8.2

⭐⭐⭐⭐⭐ Build a Reliable WhatsApp Voice AI Bot for Your Ride-Hailing Company ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and noticed you're looking for a WhatsApp Voice AI Bot. You have no need to look any further as Zohaib is here to help you! My team has successfully completed 50+ similar projects for voice AI systems. I will create a scalable and reliable conversational system that supports multiple languages and combines structured workflows with AI responses. ➡️ Why Me? I can easily build your WhatsApp Voice AI Bot as I have 5 years of experience in voice AI development, specializing in WhatsApp integrations, AI processing, and workflow automation. My expertise includes WATI, OpenAI integration, and voice transcription. I also have a strong grip on backend design and n8n workflows, ensuring a smooth and efficient system. ➡️ Let's have a quick chat to discuss your project in detail. I’ll showcase samples of my previous work and demonstrate my ability to deliver a high-quality solution. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ WhatsApp Integration ✅ Voice AI Development ✅ WATI / Twilio API ✅ OpenAI / Claude Integration ✅ Whisper Transcription ✅ Text-to-Speech (TTS) ✅ n8n / Make Workflows ✅ Backend System Design ✅ Error Handling ✅ Multi-Language Support ✅ User Intent Routing ✅ Scalable Architecture Waiting for your response! Best Regards, Zohaib
$150 NZD in 2 days
7.8
7.8

Hello, I will create a robust, multilingual WhatsApp Voice AI system for a ride-hailing company. This system will support voice-first communication, multiple languages, structured workflows, and AI responses. The setup will include WhatsApp integration, voice AI pipeline, intent routing, hybrid logic, session/context management, escalation system, reliability features, and a scalable architecture. Please initiate the chat to discuss further details. Thanks
$85 NZD in 4 days
6.0
6.0

With over nine years of experience in web development and AI solutions, I understand the need for a reliable, scalable, and intelligent system to cater to your ride-hailing company's requirements. Having worked extensively with WATI/Twilio, I am confident in my abilities to handle the WhatsApp integration and create the necessary workflows using n8n or Make. My adeptness in AI will be invaluable in creating a sophisticated and multi-language voice AI pipeline integrating Whisper transcription with TTS. The knowledge of OpenAI/Claude integration will ensure effective routing of intents and handling complex queries while maintaining flawless communication among your drivers which is essential for a smooth functioning system. Besides this, my proficiency in Python can provide additional support for the logic and scaling needs of your project. Reliability is key for any project, more so in yours that demands low response times and error-free services. I take pride in designing clean architectures that focus on scalability enhancing user experiences by automating workflows and supporting business growth. I’d love an opportunity to show you the full range of my skills by delivering a WhatsApp Voice AI system that exceeds expectations. Let's leverage my voice-first solutions with AI capabilities to create a digital product that can speak volumes! And as a long-term partnership might be possible, we can set a solid foundation for future collaborations too.
$140 NZD in 7 days
5.4
5.4

Hello, I can build your WhatsApp Voice AI system using WATI, n8n, OpenAI (Whisper + GPT), and TTS with a scalable and reliable architecture. I have experience with WhatsApp APIs, AI voice pipelines, multilingual bots, workflow automation, and hybrid systems (structured flows + AI). I’ll set up voice-to-text, intent routing, driver flows (registration, payments, issues), session memory, escalation system with ticketing, and ensure low-latency responses with proper fallbacks. Given the scope, I recommend starting with a solid MVP in Phase 1 (core flows + voice pipeline), then expanding in Phase 2 to full production features and scaling. Ready to start immediately and deliver within your timeline with clean, maintainable workflows.
$70 NZD in 3 days
5.5
5.5

Hi, I have experience building automation and AI-based systems using tools like n8n, Make, and OpenAI, and I can help set up a reliable and scalable solution based on your requirements. I focus on clean workflows, stable integrations, and practical setups that work smoothly in real use. The system will be structured, efficient, and easy to manage as it grows.
$250 NZD in 10 days
4.9
4.9

When drivers can’t get fast, clear answers in their own language, everything slows down and frustration spreads. Managing hundreds of drivers with different languages over WhatsApp can feel overwhelming, especially when voice replies must be reliable every time. You’ll have a voice-first WhatsApp AI that handles multiple languages smoothly, always replies with voice or text, and instantly escalates urgent issues. Drivers get quick, understandable answers and you gain peace of mind knowing every message is handled, even as volume grows. First, I’ll connect WhatsApp through WATI and set up voice input and output for Urdu, Pashto, Punjabi, and Saraiki. Next, I’ll build structured workflows for key tasks like driver registration and payments, while AI covers general queries. Finally, I’ll set up escalation and session memory so every conversation is tracked and critical cases go straight to support. Which language do most drivers prefer for everyday support?
$138 NZD in 7 days
4.6
4.6

Hi there, For a voice-first WA system like this, the real challenge isn’t just connecting APIs it’s building a reliable pipeline that handles multilingual voice, structured flows, and real-time escalation without breaking under daily driver usage. My 3-Step Execution: 1: Voice AI Pipeline & WA Setup: I will integrate WATI with n8n workflows, enabling voice input (Whisper), AI processing, and Urdu TTS replies with fallback handling for reliability. 2: Intent Routing + Hybrid Logic: I will build structured flows for registration, payments, and support, combined with controlled AI responses (KB-based) to avoid hallucinations. 3: Session Memory & Escalation System: I will implement per-driver context, multi-step handling, and auto-escalation with ticket generation and full transcript handoff to human agents. Q) For this scope and reliability level, the $70 NZD budget is realistic are you open to adjusting it for a production-ready system? Warm Regards, Usama F.
$70 NZD in 7 days
4.2
4.2

With my extensive experience in full-stack web development, including specialization in PHP and Node.js, I am confident that I can meet the unique requirements of your Multilingual WhatsApp Voice AI project for the ride-hailing company. I have a proven track record of building highly scalable, efficient, and user-friendly web applications similar to what you're looking for. My understanding of the architecture, combined with my proficiency in both WATI/Twilio and n8n/Make for workflows, enables me to design an optimal system that can handle high message volumes while ensuring uninterrupted voice reply. Moreover, my robust backend/system design skills bolstered by my commitment to delivering high-quality code within tight schedules align perfectly with your goal of creating a reliable and scalable WhatsApp Voice AI system. By choosing me, you will not only get a solution architect who considers long-term viability but also someone who's keen on constructive collaboration and delivering solutions beyond expectations. Let's join forces and build an advanced AI solution that takes your ride-hailing company to new heights!
$180 NZD in 3 days
3.6
3.6

Hi, I can fix your Multilingual WhatsApp Voice AI for Rideshare I've solved this exact problem many times. Here is what I will do: Set up WATI + WhatsApp Business webhooks for multiple numbers with one shared backend. Build the voice AI pipeline: Whisper transcription, GPT-4o/Claude routing, and Urdu TTS fallback. Create reliable intent flows for registration, payments, top-ups, FAQs, and instant escalation with ticketing. 10 days free support after delivery Milestone-based payment Reply "YES" and Best regards, syed ribal
$70 NZD in 2 days
2.0
2.0

Hello there, I’ve carefully reviewed your project details and fully understand your requirements. I’m confident that I can deliver high-quality results that meet your expectations within the given timeframe. I’d be happy to discuss your project further and get started right away. Best regards, Thanks
$100 NZD in 2 days
2.1
2.1

Hey! As an experienced full-stack developer specializing in AI chatbot development and the utilization of tools like n8n, I am confident I can provide you with the high-performance, reliable, and scalable digital solution you need for your ride-hailing company's WhatsApp Voice AI system. With my proficiencies in languages such as JavaScript (ES6+), Python (Flask, Django), as well as my fluency in various cloud platforms including AWS, Vercel, Netlify, I ensure that all my work is up to the required standards. Throughout my 5+ years of experience working with businesses similar to yours, I've efficiently developed SaaS platforms and AI-powered systems, ensuring their smooth functioning. My proficiency in using WATI/Twilio (WhatsApp API) equips me well to integrate WhatsApp Business API numbers and set up webhooks effectively for efficient message communication. Furthermore, the significance of reliability is crucial in this project. With my strong backend/system design skills and expertise in leveraging n8n or Make workflows paired with optional Python for better logic/scaling. My aim has always been to move businesses forward with my solutions rather than just finishing projects. Therefore, if you are looking for someone who can effortlessly translate your vision into an AI-driven reality that helps grow your business,Vandini Technologies has got your back!
$150 NZD in 12 days
2.0
2.0

This is exactly the kind of work I love doing, and I'm currently offering premium quality at a reduced rate while building my reputation—meaning you get full dedication without the full price tag. From what you've described, you aim to create an advanced WhatsApp Voice AI for seamless rideshare communication across multiple languages, critical given the 900+ drivers involved. Achieving scalable, reliable interactions is key, ensuring low-literacy users get efficient, responsive service. I have extensive experience in n8n, OpenAI integration, and Voice AI pipelines. My skills align perfectly with your need for strong backend and system design that scales effectively under a high message load. I guarantee high-quality results and am happy to provide insights even if I'm not selected. Looking forward to potentially collaborating. Regards, Jason McLachlan
$187 NZD in 3 days
1.4
1.4

Hi, I hope you're doing well. I've built WhatsApp AI pipelines using n8n, OpenAI, and WATI — covering webhook configuration, intent routing, session memory, and escalation flows. Voice-first with Whisper transcription for Urdu and regional languages is something I've handled, and the hybrid fixed-flow + AI architecture you've described is the right approach for a low-literacy, high-reliability use case. I can deliver the full system — voice pipeline, intent routing, driver registration flows, escalation with transcript forwarding, and KB-based AI responses with hallucination guardrails — within your 10-day timeline. One honest note: the $70 NZD budget is significantly below market for a production-level system of this complexity. I'd like to discuss a realistic figure before we proceed. What does your n8n setup look like — self-hosted or cloud? Best regards, Syed Muhammad Ali Farhan
$70 NZD in 5 days
0.8
0.8

Hello, I see you're building a multilingual WhatsApp Voice AI system for a rideshare company, and I specialize in creating scalable conversational systems that fit this need perfectly. I am Mubashir, a Full-Stack Developer with 6+ years of experience in AI chatbot development. I understand that you require a reliable system that supports voice-first communication and can handle multiple local languages, ensuring a seamless experience for your drivers. 1. First, I will set up the WATI integration, connecting the WhatsApp Business API numbers and configuring webhooks for sending and receiving messages, ensuring a shared backend for multiple numbers. 2. Then, I will develop the voice AI pipeline, implementing Whisper transcription for Urdu, Pashto, Punjabi, and Saraiki, followed by AI processing using GPT-4o or Claude, converting text back to voice as needed. 3. After that, I will create a structured intent routing system for driver registration and common queries, while integrating escalation features for frustrated drivers, maintaining conversation context for better interaction. Even if you're not ready to proceed, I will provide a FREE detailed quotation and project proposal with a suggested roadmap at no cost. You can use this as a solid reference document for your project, regardless of your decision. >>> My Work: https://www.freelancer.com/u/mubashir021 <<< Drop me a message and let's get this sorted. Mubashir
$140 NZD in 4 days
0.0
0.0

IF YOU’RE NOT HAPPY YOU DON’T PAY. I see you need a scalable WhatsApp Voice AI system focused on seamless multilingual voice communication and reliable intent routing for 900+ drivers. Voice UX and system reliability are clearly critical here. My approach: I’ll configure WATI integration with multiple numbers, build Whisper-powered voice pipelines in Urdu, Pashto, Punjabi, Saraiki, and implement hybrid AI-plus-flow logic in n8n for smooth multi-step driver interactions and escalation handling. While I’m new to Freelancer, I’ve handled similar voice-AI workflows off-platform with great user feedback. Let’s chat! Worst case, you get a free consultation. Regards Pietie L.
$200 NZD in 14 days
0.0
0.0

⭐⭐⭐⭐⭐ I’m excited to help you build this robust WhatsApp Voice AI system. With my experience in integrating WhatsApp Business APIs (WATI/Twilio) and AI-powered workflows, I’m confident I can deliver a scalable, reliable system that meets all your requirements. I’ll set up WATI for seamless WhatsApp integration, configure webhooks, and ensure multi-number support with a shared backend. For the voice AI pipeline, I’ll integrate Whisper for transcription in multiple languages and GPT-4/Claude for processing, with TTS for Urdu voice responses. I’ll design structured workflows for driver registration, payments, and FAQs, and implement AI for handling general queries, with strict adherence to no hallucination. The escalation system will be in place to handle angry drivers or critical issues, allowing easy handoff to human agents. Using n8n (or Make) for workflows and optional Python for scaling, I’ll ensure the system is reliable and designed for growth (from 100 to 500 messages/day). I’ll also ensure a smooth voice UX for low-literacy users, and comprehensive error handling and retries will be built in for low response time. Here’s a link to some related projects I’ve worked on: [link to relevant project]. Let’s build a system that’s efficient, reliable, and tailored to your needs!
$140 NZD in 7 days
0.0
0.0

Hi there, The strongest part of your project is the voice-first, multilingual reliability for low-literacy users. That is what needs to be designed carefully, not just the chatbot logic. I can build this as a clean hybrid system with WATI + n8n + OpenAI/Claude + Whisper/TTS, covering driver registration, payment/top-up flows, FAQ handling, escalation with transcript handoff, and per-driver session memory. I’d keep fixed flows for critical actions, AI only for safe KB-based replies, and add proper retries/fallbacks so voice replies do not fail in real use. One honest note: for a production-level WhatsApp Voice AI system, $70 NZD is too low for the scope you listed. Best regards, Dipak
$70 NZD in 8 days
0.0
0.0

I am a highly dedicated and detail-oriented professional with strong analytical and communication skills, capable of supporting structured workflows and complex systems with precision and reliability. Although my background is primarily in the legal field, I have solid experience with organization, process management, and working with high-responsibility tasks that require accuracy, consistency, and problem-solving. I am comfortable learning and working with new technologies and systems, and I have a strong ability to follow structured logic, which is essential for workflow automation and conversational design. My experience with client interaction has also developed my ability to think from the user’s perspective, ensuring clear, effective, and user-friendly communication — especially important in voice-first environments. I am highly committed to delivering quality results, meeting deadlines, and maintaining reliability under pressure. I am eager to contribute to the development of scalable and efficient systems, and I am motivated to continuously learn and adapt to new tools such as n8n, API integrations, and AI-based solutions. I am confident that my discipline, fast learning ability, and strong sense of responsibility make me a reliable candidate for this project, especially in a role that requires organization, consistency, and user-focused thinking.
$140 NZD in 7 days
0.0
0.0

Hi There , Good evening! I am professional mobile engineer with skills including AI Chatbot Development, PHP, Bot Development, AI Agents, Conversational AI, n8n, ChatGPT, Agentic AI, OpenAI and Customer Service Chatbot. Please contact me to discuss more regarding this project. Your Sincerely
$30 NZD in 5 days
0.0
0.0

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