Credits-based subscription plans: Starter ($200/mo), Growth ($500/mo), Business ($1000/mo), and Enterprise (custom). All usage types (chat, voice, SMS, workspace, transcription) draw from same monthly balance at tiered per-unit rates.
RailCall local runtime: free. RailHub Team: $5 per seat per month. Cloud agents: $5 per trained agent per month. Advanced thinking (overflow): metered against a budget you set, with 500 flows per month included. Storage on hub: $0.25 per GB-month with 5 GB free.
Key features
AI Agent Builder - Build and customize agents without coding
Workspace - Manage agents and conversations in one collaborative environment
Real-time AI assistance with contextual hints during live conversations
Multi-channel support - Voice calls, SMS, and web chat
Knowledge Base for instant access to information
Call transcription and automated summaries
Dashboard analytics and call metrics
Call transfer capabilities to phone numbers or call centers
Integrations with third-party platforms via API and webhooks
Support for over 20 languages and multiple voice options
Studio visual workflow builder with 1,000+ nodes
CLI and terminal-first interface
Ed25519-signed tamper-evident receipts
Human approval airlock for all actions
Autonomous agents that run 24/7
Capacity routing across organization machines
MCP integration with 33 tools
Multi-level human approval workflows
Offline receipt verification
Company-wide stop button
What makes it different
Minimal setup time - Go live instantly with no IT headaches or long setups
No-code agent builder suitable for non-technical users
Natural conversation flow - Customers don't realize they're talking to AI
Bundled pricing with no hidden model or infrastructure fees
Up to 80% automation of routine calls freeing teams for complex issues
Entire local runtime free with MIT license, no login required
Cryptographically signed receipts verifiable offline
RailCall