Discover how OTAs and travel agencies are integrating eSIM APIs to capture high-margin ancillary revenue before travelers even reach their destination.IntroductionThis is a full article content for Maximizing Ancillary Revenue: The Rise of Travel eSIMs in 2026. We are currently displaying seeded data to demonstrate the layout and structure of a real article.Key PointsPoint 1 about Revenue GrowthPoint 2 regarding the topicPoint 3 concluding thoughtsThanks for reading this insightful piece on B2B Travel Technology.