Show HN: A free FAQ and appointment booking API for small businesses

Category: devtools

Tags: mcp, api, booking, faq, small-business, ai-assistant

Score: 5.3/10 (Innovation: 4, Technical: 5, Documentation: 7, Utility: 5)

CallChatSyn provides a hosted API and MCP server that lets AI assistants answer customer FAQs and book appointments for small businesses using their own data. It integrates with Cal.com for scheduling and offers a free tier, but relies on rule-based matching rather than advanced AI. The project is practical for small business automation but not technically novel.

Target audience: small business owners, backend developers, AI assistant integrators

Repository: https://callchatsyn.com/developers · TypeScript · MIT

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