Build Middleware API between fonio.ai and Hostaway for AI Guest Phone Assistant

We are looking for an experienced API/backend developer to build a secure middleware integration between fonio.ai and Hostaway. Background We operate multiple vacation rental properties in Hostaway. We already use fonio.ai as an AI phone assistant for guest FAQ handling... (Budget: €250 - €750 EUR, Jobs: API Development, API Integration, Backend Development, Java, PHP, Security, Software Architecture, Website Design)