transaction coordinators, buyers, sellers, and partners such as escrow and lenders. Core capabilities include contract data extraction, deadline tracking, document management, unified messaging across channels, and AI-generated briefings and message drafts. Doorbis is delivered as multi-tenant SaaS with APIs, a web-based interface, and integrations for communication, storage, and payments. RealAgentic AI serves real estate professionals and teams seeking to coordinate transactions with greater structure and automation.