About Retell AI
Retell AI is an enterprise-grade AI voice agent platform that enables businesses, including those in healthcare, to automate and optimize phone call operations using human-like conversational AI. The platform is designed to build, deploy, and manage AI voice agents that can handle complex, multi-turn conversations, understand context, and perform actions such as booking appointments or updating systems. Unlike traditional Interactive Voice Response (IVR) systems, Retell AI leverages large language models (LLMs) to engage in dynamic, natural interactions, aiming to provide a genuinely better experience for callers.
For physicians and healthcare organizations, Retell AI offers HIPAA-compliant solutions to streamline patient communications. Its AI voice agents can verify patient details, schedule appointments, send automated reminders to reduce no-show rates, and conduct post-appointment follow-ups, including patient satisfaction surveys and medication reminders. The platform integrates seamlessly with electronic health record (EHR) systems such as Epic, OpenDental, Dentrix, ChiroTouch, and eClinicalWorks to synchronize appointment schedules, verify patient records, and log call interactions automatically, ensuring secure and efficient data handling. This automation aims to enhance patient engagement, improve scheduling efficiency, reduce administrative overhead, and free up human staff to focus on more complex or sensitive patient care.
Focus Areas
Business Intelligence
| Key Investors | Alt Capital, Y Combinator, Creandum, Founders Fund, LGF, Walerud Ventures, Carya Venture Partners, Aaron Levie, Siqi Chen, Michael Seibel, Rajat Suri, Eden Chen, Kulpreet Singh, Mandeep Singh, Michael Stoppelman, Nate Mitchell, Tom Blomfield, Zachary Sims |
| Partnerships | Ro, Pine Park Health |
| Technology | AI-native platform with a robust API, LLM-powered voice agents, proprietary turn-taking models, real-time streaming, custom telephony, cloud-native |
What Physicians Need to Know
For physicians, Retell AI offers a powerful solution to automate routine patient interactions, freeing up staff for more critical tasks. Their AI voice agents can handle appointment scheduling, reminders, prescription refill requests, patient intake, and answer common FAQs, significantly reducing call volumes and improving patient access. The platform's ability to integrate with existing scheduling systems and EHRs (even unofficially with systems like Epic, Dentrix, and OpenDental) allows for seamless data flow and real-time updates. With HIPAA compliance and pay-as-you-go pricing, it's a scalable and secure option for clinics and medical groups looking to deploy production-grade patient call agents. The natural, human-like conversations, enabled by low latency and advanced turn-taking, ensure a positive patient experience.
Retell AI offers a growing ecosystem of integrations, supporting webhooks, API access, and native integrations with CRMs and automation tools. Popular integrations include Zapier, Gmail, HubSpot, Google Sheets, Twilio, Salesforce, Zendesk, and various unofficial connectors for healthcare-specific systems like Epic, Dentrix, and Jane App. They also integrate with calendar booking tools like Cal.com and can connect with platforms like Amazon Connect and Vonage for call management.
What the Web Says
Retell AI is a highly-rated, developer-focused platform for building and deploying AI voice agents with natural-sounding conversations and low latency. It's particularly praised for its voice quality, flexibility, and ease of integration, making it suitable for automating various call operations in professional settings, including healthcare. While generally well-received for its product, employer reviews indicate a demanding work environment with long hours, though it offers significant ownership and growth opportunities.
Overall: PositiveStrengths
- Excellent voice quality and low latency, leading to natural-sounding conversations.
- High level of customization and developer control, allowing for flexible agent configuration and integration with existing systems.
- Intuitive interface and ease of use for building and deploying AI voice agents, reducing development time.
- Reliable and stable platform, suitable for production-ready AI voice agents.
- Supports multilingual conversations and various use cases like appointment scheduling, lead qualification, and customer support.
- Transparent pay-as-you-go pricing model and free credits for testing.
Limitations
- Steep learning curve for non-developers and advanced features, requiring engineering involvement for complex workflows.
- Lacks a no-code builder, making it less accessible for non-technical users.
- Limited native integrations and omnichannel support (e.g., WhatsApp) for self-serve users.
- Pricing can become steep for small startups or when using premium LLMs and voices.
- Employer reviews indicate a demanding work culture with long hours (around 70 hours/week) and high intensity.
- Some users have reported slow customer support and concerns regarding GDPR compliance.
Based on reviews from: G2, Thoughtly, Reddit, Autocalls, Trustpilot, Product Hunt, Built In, Gartner Peer Insights, Capterra, CallSphere Blog
Last updated: 2026-08-05
Videos
News, demos, and interviews about Retell AI.
Videos load interactively. If none appear, search YouTube for Retell AI →
Press & Coverage
Frequently Asked Questions
Related Companies
CAIMed, the Lower Saxony Center for Artificial Intelligence and Causal Methods in Medicine, is a research institution dedicated to advancing personalized healthcare through innovative AI and causal methodologies. The center aims to address widespread diseases such as cancer, cardiovascular diseases, and infections by linking research data, clinical data, and patient care data. This integrated approach, […]
Autoderm is a health technology company that provides a CE-marked AI dermatology screening API designed to analyze smartphone photos for various skin conditions. The company’s AI models are trained on a proprietary database of amateur smartphone images of skin diseases and are accessible via an API that can be integrated into various platforms, including electronic […]
OCTA is an AI-powered finance automation platform that aims to streamline financial operations and accelerate cash flow for businesses, particularly SMEs and enterprises in the Middle East, with a strong presence in the UAE and Saudi Arabia. The platform utilizes AI agents to automate tasks across the entire contract-to-cash cycle, including contract creation, e-signing, invoicing, […]
Skin Analytics is a British health technology company dedicated to the early and accurate diagnosis of skin cancer, aiming to reduce mortality from the disease. They achieve this through their flagship product, DERM, an AI-powered medical device. DERM is designed to provide dermatologist-quality skin cancer assessments, making them more accessible and reducing the burden on […]
MedTalk AI is an Australian-based healthcare AI company focused on streamlining clinical documentation for physicians and other healthcare professionals. The company’s flagship product is an ambient AI medical scribe that listens to real clinical conversations and converts them into structured, accurate notes in real-time. This technology aims to free clinicians from the burden of manual […]
allergoSMART is a healthcare AI company that offers the world’s first AI-based complete solution for personalized mite allergen avoidance. The company’s system, allergoSMART, provides a unique AI digital solution for individuals with dust mite allergies, combining targeted prevention and treatment through comprehensive home environment optimization. [3] It integrates symptom tracking, telemedicine, and air purification into […]