---
title: LobbyStack - Open-Source AI Receptionist
description: Never miss a call with LobbyStack, the open-source AI receptionist. Answer questions, qualify leads, book appointments, and route urgent calls 24/7.
url: https://lobbystack.com/
---

# LobbyStack

Never miss a call with LobbyStack, the open-source AI receptionist. Answer questions, qualify leads, book appointments, and route urgent calls 24/7.

## What LobbyStack Does

- Answers inbound calls and SMS around the clock.
- Uses business knowledge to answer common questions.
- Qualifies leads, books appointments, and routes urgent requests.
- Gives small businesses an auditable, open-source receptionist stack.

## Public Resources

- Features: https://lobbystack.com/features/
- Pricing: https://lobbystack.com/pricing/
- Features markdown: https://lobbystack.com/features.md
- Pricing markdown: https://lobbystack.com/pricing.md
- Documentation: https://docs.lobbystack.com/
- API catalog: https://lobbystack.com/.well-known/api-catalog
- OpenAPI: https://lobbystack.com/openapi.json
- Agent skills: https://lobbystack.com/.well-known/agent-skills/index.json
- GitHub: https://github.com/lobbystack/lobbystack

## Pricing Snapshot

- Free: $0/month with 10 voice minutes, 2 outbound call attempts, 10 alert SMS segments, and 100 MB knowledge storage.
- Pro: $15/month with 80 voice minutes, 20 outbound call attempts, 50 alert SMS segments, and 2 GB knowledge storage.
- Pro overage: $0.18 per voice minute, $0.02 per outbound call attempt, and $0.02 per alert SMS segment.
- Enterprise: custom pricing for higher volume, multiple numbers, multi-location routing, custom fallback rules, and self-hosting implementation support.