Retell AI

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.