RouteStack.ai (A Custom Travel Solutions Product) is a travel infrastructure platform built for developers and AI agents. One MCP-native API provides real-time access to flights, hotels, and car rental inventory through direct supplier integrations - bypassing legacy GDS pipelines. Built-in deep-link checkout, merchant-of-record payments, and a self-service sandbox let engineering teams launch bookable travel experiences in days. Backed by 30+ years of travel infrastructure operations.