Show HN: HostAI - free Airbnb listing optimizer (Cloudflare Workers + Claude AI, $0 infra)
Dev.to AI
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Generative AI
Built HostAI to optimize Airbnb, Booking.com and Vrbo listings with AI. Paste title + description, pick platform, get an optimized listing in 30 seconds. No signup. Stack (zero monthly cost) Cloudflare Workers + KV for API and rate limiting Claude Haiku for AI (~0.5c per call) Brevo for transactional email Stripe Payment Links (no checkout page to build) Pro activation without Stripe webhooks Capture email before Stripe redirect via sessionStorage. On return, page detects session_id=cs_live_xxx in URL, POSTs to /activate-pro.