Retell AI
A platform to build, test, deploy, and monitor AI voice agents.
Introduction
Platform to build, test, deploy, and monitor AI voice agents.
What is Retell AI?
Retell AI offers an API that lets developers build human-like voice agents. It provides capabilities for building, testing, deploying, and monitoring AI voice agents, integrates with various platforms and services, and supports use at scale.
How do I use Retell AI?
Build custom voice AI agents with voice AI APIs and an agent builder. Test agents using the built-in test LLM feature, and deploy them to channels such as phone calls, web calls, and SMS. Monitor performance through the call history dashboard.
Core features of Retell AI
Voice AI API
Agent Builder
Call transfer
Appointment Registration
Automatic knowledge base synchronization
IVR navigation
Batch dialing
Verify phone number
Branded Call ID
Post-call analysis
concurrent calls
Voicemail detection
Agent Builder
Call transfer
Appointment Registration
Automatic knowledge base synchronization
IVR navigation
Batch dialing
Verify phone number
Branded Call ID
Post-call analysis
concurrent calls
Voicemail detection
Visits：18
Updated：2026-11-07
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