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Overview: We are seeking a skilled freelancer to develop an AI-powered voice agent tailored for a car rental business operating across India. The agent will assist in handling customer inquiries, booking management, and payment processing with multi-language capabilities. Requirements: - Develop and deploy an AI-powered voice assistant. - Enable multi-language communication to accommodate regional diversity. - Integrate with payment gateways and support complete booking processes. - Design and achieve seamless integration with mobile and WhatsApp communications. Expected Inclusions: - Full customization of the AI voice's personality and tone to align with the brand. - Comprehensive reporting and analytics for interactions and bookings. - Robust support infrastructure for troubleshooting and updates.
Project ID: 40733826
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28 freelancers are bidding on average $3,355 USD for this job

Hello, I have experience building AI voice agents, conversational AI, multilingual systems, booking workflows, payment integrations, and WhatsApp automation. We can develop a branded voice assistant that handles customer inquiries, availability, bookings, payments, confirmations, and follow-ups while supporting multiple Indian languages. We can also integrate the agent with mobile and WhatsApp channels, provide interaction and booking analytics, and structure the system with reliable monitoring and support for ongoing improvements. What booking system or fleet management platform currently holds vehicle availability, pricing, customer details, and reservations, and does it provide APIs for real-time integration?
$3,750 USD in 7 days
3.4
3.4

Hi, For this use case, the voice agent should do more than answer rental questions, it should safely execute booking actions while keeping availability, pricing and payment state controlled by the backend. I’d build the AI layer around controlled tool/API calls for vehicle search, availability, quote calculation, booking creation, payment initiation and confirmation. The communication layer can remain modular across voice, WhatsApp and mobile channels, while the core booking logic stays centralized. Python/AI services can handle conversational and language processing, with a structured backend managing customers, vehicles, bookings, payments and interaction history. I’d also design the multilingual layer around the actual languages and call volumes required, then select the speech/AI providers based on recognition quality, latency and operating cost. Interaction and booking events can feed a reporting dashboard covering conversations, conversions, failures and escalations. Which Indian languages must the agent support initially, and do you already have a vehicle/booking API that the agent needs to integrate with? If this aligns with your requirements, we can proceed with the voice workflow and integration architecture. Best regards, Deepak.
$2,599 USD in 7 days
1.9
1.9

Hi, I’d be interested in building your AI voice agent for the car rental business. The combination of voice automation, multilingual communication, booking management, payments, and WhatsApp integration makes this a strong use case for AI. I have 5+ years of experience working on AI-powered products, SaaS platforms, mobile/web applications, and automation workflows. I can help design a complete customer journey such as: Customer calls/messages → AI understands the request → responds in the preferred language → checks vehicle availability → collects booking details → confirms the reservation → processes payment → sends confirmation through WhatsApp/SMS. The voice agent can also be customized around your brand’s personality, tone, and communication style. I’d include an admin/reporting layer to track conversations, bookings, payment status, and agent performance. I’d be happy to discuss your current booking system, payment gateway, WhatsApp setup, and preferred languages so we can define the MVP. Best regards, Subhana W.
$3,750 USD in 7 days
1.3
1.3

Hello Sir, I have already worked on many **cryptocurrency trading systems, automated trading platforms, and exchange API integration projects**. I can also show you demos of my previous work. I am a full-time freelancer with **17+ years of experience** in software development, trading automation, and financial API integrations. My relevant experience includes: * Cryptocurrency trading platforms * Binance and Bybit API integration * MT4 and MT5 trading automation * C#-based copy trading software * Arbitrage trading systems (Binance ↔ Bybit) * Automated order execution (Buy/Sell/Square Off) * Portfolio and position management * Margin and risk management features * Real-time market data integration * Trading bots and strategy automation I have already developed a **C#-based Copy Trading Software** where trades from a master account are automatically copied to multiple child accounts. I have also built **arbitrage trading systems** between Binance and Bybit using their official APIs. In addition, I have developed trading platforms using **Zerodha Kite API, Alice Blue API, Angel One API, and Profitmart API**, including features such as order placement, position management, square-off, margin calculation, and automated trading execution. I have also implemented strategy automation using **AmiBroker CSV integration**. I can start working immediately and deliver a secure, scalable, and reliable trading solution based on your requirements. Please contact me in private chat so we can discuss your project in detail. I will be happy to show you **live demos and examples of my previous trading projects**. Looking forward to working with you. Thanks & Regards, Sanjay
$5,000 USD in 11 days
0.0
0.0

First hour I'd map the call flow for a booking - greet, capture pickup/drop and dates, quote, then payment link - so we agree on the happy path before any building. Day one I'd stand up a Retell AI agent connected to a booking backend, with Hindi + English to start and language auto-detect, then add regional languages once the flow is solid. Payments and booking would run through your gateway (Razorpay works well in India) with a WhatsApp confirmation and link so customers can pay after the call. I've built voice/STT agents and Node payment integrations that actually run in production, not demos. Which languages are must-have at launch, and do you already have a booking system I'd plug into or should I build that too? - Prateek
$3,800 USD in 30 days
0.0
0.0

The multi-language requirement is the concrete constraint here. I will build the AI voice agent using Python for core logic and integrate it with a cloud-based Natural Language Understanding service like Google Cloud Dialogflow or AWS Lex, picking Dialogflow for its strength in intent recognition which is crucial for handling diverse booking and payment queries across multiple languages. This will allow for custom voice personality and tone, also reporting and analytics will be built into the Dialogflow fulfillment webhook, which I will write in Python, also handling the payment gateway integration and complete booking processes. I would build the multi-language intent handling first, so that all other features can be tested against the core language understanding framework. Also, I will use Twilio for WhatsApp integration and mobile carrier integration. My reviews are 5.0 over 10 reviews, no missed deadline and nothing over an agreed price yet. Preferred Freelancer here. How will the reporting and analytics be exposed, will it be a dashboard or scheduled reports? If you hand this over, I will have the basic intent recognition and multi-language setup complete in the first day or two.
$3,000 USD in 21 days
0.0
0.0

For car rental in India, what makes or breaks a voice agent is taking payment without reading card numbers aloud. So the agent confirms the car, dates and city, then sends a Razorpay payment link by WhatsApp/SMS during the call and waits for the webhook before confirming the booking. It's PCI-safe, and the customer pays on UPI in about ten seconds. Build: Retell AI agent on an Indian number, with Hindi, English and regional languages (Marathi/Tamil/Telugu as needed) auto-detected and switched mid-call. Function calls hit a small Node.js/FastAPI backend for live availability, pricing, booking create/modify/cancel, and customer lookup. The WhatsApp Business API handles confirmations and follow-ups, and a brand-tuned voice and prompt set the tone. A dashboard shows call logs, transcripts, conversion to booking, drop-off points and revenue per day, with escalation to a human when the agent is unsure. You'd have a first working agent to call in 4 days (English + Hindi, availability check and booking); the full build takes about 3-4 weeks. $2,500. Where does your fleet and booking data live today (software, sheet or custom DB), and which languages matter most? Aakaash
$2,500 USD in 4 days
0.0
0.0

Hi, Fernando here from Mexico. I want to build the AI-powered voice assistant for your car rental business, covering booking flow, payment handling, and multi-language communication. I’d use Retell AI as the voice layer and keep booking and payment logic in a backend API so calls remain controlled and auditable. I’ve built AI systems where model responses are grounded against customer data and validated before reaching production. I’ll first map one complete booking flow and build the working voice path for review before expanding into WhatsApp and mobile integration. Bests Fernando Garcia
$3,200 USD in 12 days
0.0
0.0

We can develop and deploy your multilingual AI voice agent for car rentals across India, handling customer inquiries, vehicle availability, bookings, payments, and WhatsApp/mobile communication. Our team can customize the agent’s voice and personality using Python, LLMs, and voice APIs, integrate your booking system and payment gateway, and deliver an analytics dashboard, testing, deployment, and ongoing technical support.
$3,750 USD in 7 days
0.0
0.0

With nearly a decade of experience under my belt, I've not only developed an in-depth understanding of AI technologies, but I've also maintained a strong presence in the web and mobile app development industry. This diverse skillset allows me to approach your project angle with a unique perspective, blending multiple technologies for a seamless user experience not only with your expected tasks but also beyond. One thing that sets me apart from the rest is my unwavering dedication to tailor solutions to individual business needs. In your case, this means building you an AI-powered voice assistant for your car rental business that doesn't just fulfill your communication requirements but also reflects your brand's personality and tone. My past experiences have shown that these personalized touches can go a long way in positively impacting customer interactions and boosting sales. Lastly, as an added bonus to selecting me for this project, you'll have access to continual support and troubleshooting as our collaboration extends beyond project completion. I'm committed to providing excellent services not just during development, but into the future as well. Let's turn your ideas into reality together!
$3,750 USD in 7 days
0.0
0.0

Hi, thanks for posting this — building a multilingual AI voice agent for car rental bookings that also handles payments and WhatsApp is a great fit for an agentic AI approach: I'd use Retell AI for the voice/telephony layer, orchestrate it with Claude via MCP tool-calling for intent handling and multi-language dialogue, and wire in a payment gateway (Razorpay/Stripe) plus the WhatsApp Business API for chat handoff. I can have a working voice + WhatsApp prototype in English and Hindi within 10-12 days, with the full production build — booking flow, payments, and an analytics dashboard — delivered in 4 weeks, milestone by milestone. One question: do you already have a payment gateway and WhatsApp Business API account provisioned, or should that setup be part of scope? Happy to hop on a call to walk through the architecture.
$3,200 USD in 21 days
0.0
0.0

Aurangabad, India
Member since Sep 25, 2026
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