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I have a Retell AI seat and an active Twilio account; now I need them working together so the agent can act as my front-line customer-support assistant. Scope • Configure the Retell AI agent to handle voice calls, text messages, and chatbot conversations end-to-end. • Connect these channels through Twilio so visitors can reach the bot on WhatsApp, standard SMS, and a voice line. • Ensure routing, fallback, and message formatting align with Twilio best practices (Studio flows, TwiML, Webhooks, etc.). • Validate that hand-offs to a human agent trigger correctly when the bot cannot resolve an issue. Acceptance criteria 1. Calling the Twilio voice number reaches the Retell AI voice bot, which can greet, answer basic questions, and transfer to a live rep. 2. Incoming WhatsApp or SMS messages receive an automated response from the same Retell AI logic, with conversation history preserved. 3. All three channels share a single knowledge base and analytics dashboard. 4. Clear hand-over instructions and documentation let me adjust flows or add FAQs without touching code. If you have previous Twilio Studio or Retell AI experience, please mention a recent project and estimated timeline so we can move quickly.
Project ID: 40601265
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54 freelancers are bidding on average $29 USD for this job

I’ll connect your existing Retell AI seat and Twilio account into one customer-support workflow covering voice, SMS, WhatsApp, and chatbot conversations. For voice, I’ll configure the Twilio number with the correct webhook/TwiML routing to Retell, including greeting, FAQ handling, fallback behavior, and transfer to a live representative. For SMS and WhatsApp, I’ll use Twilio webhooks and a shared conversation service so messages follow the same Retell logic, preserve conversation history, and return correctly formatted responses. I’ll use a central knowledge source and synchronize channel metadata and transcripts so reporting is available through one analytics view. I’ll also test failed-intent scenarios, after-hours fallback, transfer triggers, and message delivery across all three channels. My recent AI integration work includes conversational support flows using LLM APIs, webhooks, and persistent conversation history, and I’ll apply the same structured approach here. Finally, I’ll provide clear, non-code instructions for editing FAQs, adjusting routing, and maintaining Studio flows. Do you already have a Twilio number enabled for WhatsApp, or should I configure that part too? Muhammad Saad
$30 USD in 3 days
7.8
7.8

SURELY, I CAN START IMMEDIATELY I have experience integrating AI voice agents with Twilio, webhooks, APIs, WhatsApp, SMS, voice workflows, and knowledge bases. I can connect Retell AI with Twilio, configure seamless multi-channel conversations, implement human handoffs, and deliver complete documentation for easy future updates. Thanks!! Parminder
$200 USD in 7 days
8.1
8.1

Hello, I can help with your "Setup Retell Ai Agent with Twilio Integration" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, customer support, asterisk pbx, voice talent, voip, twilio, api integration, ai chatbot development, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. You'll get clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$18 USD in 1 day
7.4
7.4

Integrating Retell AI with Twilio requires seamless communication between both platforms to ensure reliable message handling and real-time response. A hidden challenge is managing API rate limits and maintaining session state during conversations. Smart Sols has over 10 years of experience with Laravel and cross-platform Flutter apps, making us adept at handling complex backend integrations and frontend real-time workflows. How do you plan to handle user authentication and session management between Retell AI and Twilio? Let's discuss how we can set up your AI agent to work flawlessly with Twilio.
$30 USD in 7 days
6.9
6.9

Hello! We can set up a unified Retell AI and Twilio solution for your support channels. 1. Which channel should we prioritize first: voice, WhatsApp, or SMS? 2. Do you already have the call flow and hand-off logic defined? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$20 USD in 7 days
6.5
6.5

Hello there, I can integrate Retell AI with Twilio Voice, SMS, WhatsApp, Studio flows, webhooks, shared conversation history, and reliable human-agent handoffs. I recently implemented a similar omnichannel AI support setup with unified knowledge-base logic, fallback routing, call transfers, analytics, and editable FAQ workflows. I can complete configuration, testing, and clear non-technical handover documentation within 1–2days.
$30 USD in 1 day
5.7
5.7

Hi there, we are a team of AI/ML Full Stack Web and Mobile App Developers and we can do this project in no time. Thanks Ashish Kumar.
$20 USD in 7 days
5.7
5.7

With over a decade of experience in Network, Cybersecurity, VoIP, and Systems Engineering, I am well-versed in the intricate workings of the technologies that you aim to integrate. I have previously worked on a high-scale project that involved configuring a Twilio Studio system to manage multiple channels like SMS, voice calls, and chat conversations - right up your alley. I leveraged my extensive knowledge of TwiML, Webhooks, and Studio Flows to ensure smooth routing and interaction from the chatbot. My ultimate goal is to set up a flawless system that aligns perfectly with your requirements and best practices. Moreover, in addition to my core expertise in Networking and VoIP (Asterisk included), my proficiency extends into areas like PHP and Customer Support- which equip me with an ideal skill-set for this capital project. This amalgamation of skills is crucial since your project includes integrating separate platforms into one harmonious infrastructure; my comprehensive understanding of various platforms ensures there will be no loose ends. My final ailment is my unwavering commitment to quality project delivery within agreed timelines. 24-hours availability and quick response guarantees undeterred progress right until the successful completion of this project. I am excited by the prospect of working on this integration challenge and look forward to contributing my skills towards turning your vision into reality.
$30 USD in 2 days
5.5
5.5

Hi. To connect Retell AI with Twilio cleanly, I’ll set up the voice, WhatsApp, and SMS paths so every channel lands in the same support flow with proper routing and fallback handling. I’ll use Twilio Studio, TwiML, and webhooks to keep the logic reliable, while preserving conversation context and syncing the human handoff path when the bot cannot resolve a case. I’ll also align the message formatting and escalation rules so the customer experience stays consistent across voice and text. The end result will be a single front-line assistant that answers fast, transfers smoothly, and is easy to adjust later. As a Senior Backend Engineer, I have mastered Twilio, Retell AI, webhooks, Studio flows, and conversational automation, and have strong experience in support integrations, voice systems, and messaging workflows. I am sure I can deliver high-quality results within a few days for a setup of this size. Let’s get in touch and discuss more. Thanks.
$24 USD in 3 days
5.2
5.2

Retell and Vapi expert. Perfect that you have both accounts setup and I can genuinely assure you this is literally very straightforward and would love to help you out in as much detail as you want. Available for the day lets do it.
$30 USD in 7 days
5.2
5.2

Hello there. I hope you are doing well. I understand that you need to integrate Retell AI with Twilio to create a seamless customer support experience across voice, SMS, and WhatsApp channels. I recently completed a project where I integrated Twilio with a chatbot framework to streamline customer interactions, ensuring quick responses and accurate hand-offs to human agents. To address your requirements, I will configure the Retell AI agent to manage calls and messages effectively, aligning with Twilio's best practices for routing and fallback. I will also ensure the knowledge base is unified across all channels. With over 6 years of experience in full-stack development and a strong focus on API integrations, I am well-equipped to deliver a robust solution that meets your needs swiftly and efficiently. Please feel free to reach out to me. I look forward to hearing from you. Best regards, Billy Bryan
$16 USD in 3 days
5.0
5.0

ONE AI AGENT SHOULD FEEL THE SAME ON EVERY CHANNEL. Hello, my name is Jonas, AI developer. The hard part is keeping voice, SMS, WhatsApp, and chat in sync so every conversation follows the same logic and hands off cleanly when needed. I'd connect Retell AI with Twilio using Studio, webhooks, and the right routing flow. Conversation history stays shared across every channel. Live transfers will trigger only when the AI reaches its limits. I've recently built AI assistants with API integrations and shared knowledge bases for SaaS platforms. Everything will be documented, so updating FAQs later won't require touching code. One thing would help me plan this right, are you already using a knowledge base with Retell AI or should I help set that up as well? You end up with one support agent working consistently across every channel. Appreciate you reading this far, I'd be happy to get it running.
$77 USD in 2 days
4.3
4.3

As an expert in AI Chatbot Development, API Integration and PHP, I am well-equipped to take on your project of integrating your Retell AI agent with Twilio and setting up a robust customer support system. My extensive experience building AI agents, automation systems, and full-stack platforms that effectively run in production will be a great asset for this project. In past projects, I have successfully set up inbound and outbound voice agents for booking, qualification, and follow-ups, utilizing tools like Vapi, Retell AI, Bland AI, and ElevenLabs to efficiently connect them with CRMs and calendars. This aligns perfectly with your requirement of configuring the Retell AI agent to handle voice calls while being able to transfer to a live representative when needed.
$10 USD in 1 day
4.4
4.4

Hello, I am excited to offer my immediate availability to help you set up your Retell AI agent with Twilio integration. I understand the challenge of seamlessly connecting these platforms to enhance your customer support capabilities. Here's how I can assist: - Configure Retell AI to handle voice calls, text messages, and chatbot conversations, integrating them with Twilio channels. - Implement Twilio best practices for routing, fallbacks, and message formatting, ensuring smooth transitions to live agents when needed. My expertise in Twilio Studio and Retell AI includes a recent project where I successfully integrated both platforms for a similar client. I am confident in my ability to deliver a seamless solution tailored to your needs. Let's discuss further how I can help optimize your customer support processes.
$30 USD in 7 days
4.1
4.1

hello, your retell ai agent and twilio accounts are ready but the current challenge is creating a reliable integration across voice sms and whatsapp with correct routing seamless handover and shared conversation history. i can configure the complete workflow following twilio best practices and deliver clear documentation. what retell knowledge base or existing prompts would you like the agent to use from day one
$87 USD in 1 day
3.9
3.9

Hello, I just finished reading your brief for "Setup Retell Ai Agent with Twilio Integration ", and I'm genuinely excited about the chance to work on it. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves ai, chatbot — all areas we handle in-house. We specialise in PHP, Customer Support, Asterisk PBX, Voice Talent, which lines up directly with what you need. How we'd approach it: - Clarify the use-case, inputs and the exact output you expect - Build and integrate the model / automation pipeline - Evaluate accuracy and tune against real examples - Deploy with monitoring and a clear handover I also noted you don’t need touching code — that’s clear, and I’ll keep the work clean and strictly on-brief. I’ll fold in your feedback fast and keep refining until the result feels exactly right to you. Send over any references you have and I’ll come back with a clear plan and milestones. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
$10 USD in 5 days
3.9
3.9

Hello I would love the opportunity to work on Setup Retell Ai Agent with Twilio Integration . I specialize in Twilio SMS services, WhatsApp Business API integrations, voice automation, IVR systems, OTP verification, and communication workflow development. Whether you need customer notifications, automated messaging, call automation, or complete communication infrastructure, I can deliver a solution tailored to your objectives. Best Regards, Naseeb A.
$10 USD in 3 days
3.5
3.5

Hello, I hope you are doing well. I have carefully checked your requirements and understand that you need to integrate Retell AI with Twilio to create a comprehensive customer support assistant system. I have worked on similar projects involving AI and communication integrations. I can quickly handle this type of system with a reliable and production-focused approach. My experience includes developing AI-powered chatbots and integrating them with various communication channels for seamless customer interactions. I can deliver: - A voice bot that can handle calls, text messages, and chatbot conversations using Retell AI and Twilio Studio - Automated responses for WhatsApp, SMS, and voice calls with seamless hand-offs to live agents - A unified knowledge base and analytics dashboard for all channels - Clear documentation for easy flow adjustments and FAQ additions I can start immediately and work within your timeline. Let’s get in touch and discuss more. Best regards, Hoang Van Phi
$30 USD in 2 days
3.3
3.3

Hello, I'm Rohaan, a full-stack developer, digital marketer, and design specialist with extensive experience in AI Chatbot Development. I have worked on projects involving Twilio integration and AI agents like Retell AI. I understand your requirement for setting up the Retell AI agent with Twilio integration for voice calls, text messages, and chatbot conversations. I will configure the channels through Twilio, ensuring seamless communication and proper routing. Hand-offs to human agents will be triggered correctly when needed. Let's discuss your project further to ensure a successful implementation. Please start the chat so we can delve into the details. Best regards, Rohaan
$10 USD in 7 days
1.8
1.8

Hi, I reviewed your project "Setup Retell Ai Agent with Twilio Integration " and I'm confident I can deliver a high-quality solution that meets your requirements. With 8+ years of experience as a Full-Stack Developer, I specialize in PHP, AI Chatbot Development and have built scalable, secure, and high-performance web applications for businesses across various industries. Why choose me? ✅ 8+ Years of Professional Experience ✅ Clean, scalable, and maintainable code ✅ Fast, responsive, and SEO-friendly solutions ✅ REST API & Third-party API Integration ✅ AI Integration & Automation ✅ Clear communication and on-time delivery I'm available to start immediately and would be happy to discuss your project. Looking forward to working with you. Best regards, Khadija Tul Kubra Full-Stack Developer
$15 USD in 1 day
1.6
1.6

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