Build voice agents with confidence.
Retell University gives builders, operators, and teams the practical knowledge they need to design, launch, and improve production-ready voice agents.
Learn telephony fundamentals, master the Retell platform, and earn a certification that demonstrates your ability to build voice experiences that work in the real world.
Built for developers, solution architects, agencies, operators, and enterprise teams building the future of voice.
From switchboards to voice agents.
Turn knowledge into working voice agents.
The fastest way to learn is to build. Follow guided exercises that take you from your first voice agent to more advanced production workflows on the Retell platform.
Practice configuring agents, connecting tools, handling edge cases, testing conversations, and improving the caller experience. Every module is designed to help you apply what you learn immediately.
Build real workflows, not just theoretical examples.
- Create and configure a voice agent
- Design conversation flows
- Connect tools and external systems
- Add knowledge sources
- Handle interruptions and unexpected questions
- Configure transfers and escalation
- Test real call scenarios
- Review performance and improve outcomes
Build confidence through competence.
Great voice builders know how to make thoughtful decisions under real-world constraints. Retell University helps learners develop the technical fluency, practical judgment, and hands-on experience needed to build with confidence.
Progress from foundational concepts to advanced implementation skills through structured lessons, checkpoints, and applied exercises. By the end of the program, you should be able to explain your decisions, troubleshoot problems, and build voice systems that are ready for real users.
Learn the fundamentals
Understand voice AI, telephony, and the systems behind every call.
Apply the concepts
Build agents, connect tools, and create working call flows.
Test your skills
Work through realistic scenarios, edge cases, and production challenges.
Earn your certification
Demonstrate your ability to build effective voice agents with Retell.
Things in motion stay in motion.
Go from platform user to voice agent expert.
Learn how Retell's core capabilities work together so you can build faster, make better decisions, and get more from the platform.
From agent configuration and conversation flows to tools, knowledge bases, telephony, testing, and analytics, Retell University gives learners a structured path to platform mastery.
Understand not only where to click, but how to design the right solution.
Built for everyone shaping the future of voice.
Developers
Learn how to build, connect, test, and operate voice agents using Retell.
Solution architects
Understand how to design reliable voice systems across telephony, tools, data, and workflows.
Agencies and partners
Build the knowledge needed to confidently deliver Retell solutions for customers.
Product and operations teams
Learn how voice agents work so you can define better requirements, evaluate performance, and improve customer outcomes.
Enterprise teams
Create a shared foundation of voice AI knowledge across technical and business stakeholders.
Keep the documentation close.
Every module pairs with the official Retell documentation, so you can go deeper on any capability while you build.
docs.retellai.comReady to become a certified voice builder?
Start with the fundamentals. Build practical skills. Master the Retell platform. Earn your certification.
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