AI Agents Directory

Retell AI

Retell AI offers a platform and API for building, testing, deploying, and monitoring AI voice agents at scale with low latency.

Introduction

Retell AI is a platform designed for building and deploying AI voice agents. It provides developers with the necessary tools and infrastructure to create production-ready AI agents that can handle phone calls, web calls, and SMS interactions.

Key features include:

  • Voice AI API: Enables natural, low-latency (500ms) conversational interactions.
  • Agent Builder: An intuitive interface for creating custom voice AI agents.
  • Knowledge Base Auto-Sync: Automatically syncs with company knowledge bases to keep agents up-to-date.
  • Call Transfer: Supports warm transfers with handoff messages.
  • Appointment Booking: Integrates with tools like Cal.com for automated scheduling.
  • Batch Calling: Allows for seamless execution of large-scale call campaigns.
  • Verified Phone Numbers: Helps prevent calls from being marked as spam.
  • Multilingual Support: Supports over 18 languages.
  • SIP Trunking: Connect to any telephony system.
  • Compliance: SOC 2, HIPAA, and GDPR compliant.

Use cases include receptionists, appointment setters, lead qualification, customer service, and debt collection.

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