Retell AI
AI voice agent platform for automating phone calls
Retell AI is a platform for building, testing, deploying and managing AI voice agents that handle phone calls, chat and SMS. It addresses the operational complexity of running call workflows, including routing, transfers, outbound campaigns, IVR navigation and human handoffs, while keeping teams in control of agent logic and quality.
The platform includes a no-code visual call flow builder, simulation testing, batch outbound campaigns, call transfers (cold, warm and agentic warm), IVR navigation, post-call analysis, AI quality assurance and custom analytics. Agents can be deployed for inbound calls, outbound campaigns, web chat and SMS, with integrations for telephony, CCaaS, CRM, knowledge bases and calendars, plus APIs and SDKs for programmatic control. It supports HIPAA, SOC 2 Type II, GDPR and ISO 27001 compliance, SSO, role-based access and enterprise on-prem deployment.
Retell AI is aimed at contact centers, enterprise and mid-market teams, and startups. It offers a free trial with signup credits and full platform access, with usage-based pricing for voice and chat agents, and an enterprise plan for organizations needing on-prem deployment and custom implementation support.
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