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Great Product! They have something valuable to offer. I directed a team of engineers working on doing it on our own for internal use and it was insanely difficult and expensive to do it by ourselves! This API saves a lot of time and money! Great work
Insanely impressive demo! Handles some of the key pieces of making human-like assistants happen
Retell AI offers an amazing AI platform that has allowed us at Action2Call.com to create incredibly effective conversational AI agents for our clients. The platform is intuitive, adaptable, and has helped us streamline communication processes while providing top-tier service to businesses across various industries. Highly recommended! - Sarah Evens, Marketing Director, Action2Call.com.
I’ve been using Retell AI for a while now, and I can confidently say it’s one of the most game-changing platforms I’ve worked with. In a world where voice AI is rapidly evolving, Retell stands out not just for its cutting-edge capabilities but also for how easy it makes deploying voice agents that sound natural, fluid, and human. From the moment I onboarded, the experience has been incredibly smooth. The documentation is clear, the setup process is intuitive, and within no time, I was building voice experiences that would’ve taken weeks (or even months) using traditional telephony stacks or cobbling together other APIs. One of the things I admire most about Retell AI is its true real-time performance — there’s practically no lag, the agents interrupt like real humans, and the voices are incredibly lifelike. This kind of responsiveness is crucial when you’re trying to create a seamless customer experience or automate real conversations. Other platforms claim to be real-time, but Retell actually delivers on that promise. And then there's the customizability. Whether it’s agent scripting, webhook logic, or integrating into your own backend systems, Retell gives you the flexibility to fine-tune every aspect of the conversation flow. It doesn’t box you into one way of doing things — it empowers you to build exactly what you need. The pricing is also fair and scales well with usage, which is perfect whether you’re testing an MVP or scaling to handle production traffic. On top of that, the support team is phenomenal. Every time I’ve reached out — whether it was a quick question or a technical deep dive — I’ve received thoughtful, prompt, and helpful responses. It’s clear the team truly cares about its users and is deeply invested in building a world-class product. If you're even remotely considering building a voice product — whether it's a customer service agent, a sales dialer, or something more creative — I highly recommend giving Retell AI a try. It's fast, reliable, powerful, and built by a team that clearly understands the future of voice. This is the kind of tool that doesn't just help you build — it helps you innovate.
Retell AI - Voice AI Agent