AI voice agents that call your leads within seconds, handle objections and book meetings on your calendar
Stage
Not given
Not given
Founded
Not given
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Open Source: free and self-hosted. Free: $0/month hosted plan with up to 5 members. Scale: $20 per user per month. Enterprise: Custom annual contract.
Free plan: 10 AI talk minutes (one-time, no card needed). Starter: $39/month with 200 AI talk minutes. Growth: $99/month with 550 AI talk minutes. Scale: $249/month with 1,500 AI talk minutes. Extra minutes can be purchased separately: 100 for $19, 500 for $79, 1,000 for $139. Phone calls billed sep
Key features
Tool call interception for all agent frameworks
Automatic approval rules to prevent fatigue
AI judge for complex rule evaluation
Works with LangGraph, CrewAI, Mastra, Claude Agent SDK and more
Open Agent Approval Protocol for framework independence
Self-hosted or cloud-hosted deployment options
Custom permission policies and organization controls
Calls leads within seconds of form submission or CRM entry
Natural-sounding voices in 33 languages
Handles objections like "not interested" or "send me an email"
Books meetings directly into Google Calendar or Calendly during the call
Voicemail detection to avoid paying for machine messages
Full call transcripts and summaries for every call
Lead API and Zapier integration for automatic lead delivery
Custom knowledge base for each AI agent
Call recordings kept 30 days to 1 year depending on plan
What makes it different
Framework-agnostic: works with any AI agent through the open Agent Approval Protocol
No vendor lock-in: open source spec and SDKs let you swap providers without rewriting agents
Comprehensive audit trail for accountability and compliance
Meets reviewers where they work with multi-platform notifications
Policy-based routing to eliminate approval bottlenecks
Calls leads in seconds, not hours or days later
Books meetings live during the call while lead is interested
withHuman
CallBooker