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Sales Intelligence
Retell AI
The platform for building high-performance conversational AI voice agents.
About Retell AI
Retell AI provides a comprehensive REST API and SDK for creating, managing, and deploying AI voice agents that can make and receive phone calls. It features a 'Retell LLM Response Engine' and supports complex conversation flows. For AI-native operators, it offers an 'MCP Tool' capability, making it exceptionally easy to integrate voice interactions into agentic workflows.
Use Retell AI for
Technical Details
API Type
REST / WebSocket
Authentication
Bearer Token
Pricing Tier
Paid Only
SDK Languages
N/A
Webhooks
No
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