Delivery drivers pull up to a porch, hand over a bag of takeout or groceries, and hear the same question with growing frequency. Did you get my tip? It’s not a casual check-in. Customers want proof. They wonder whether the amount they selected at checkout actually reached the person who braved traffic, weather, or apartment stairs to complete the order. Four drivers told Business Insider these exchanges have become routine over the past year. Three work for Walmart Spark. One delivers for DoorDash. The conversations reflect eroded trust. High-profile legal actions against delivery platforms exposed practices that left drivers shortchanged. Customers read the headlines. Then they ask drivers directly. Sometimes they hand over cash instead. A Virginia Spark driver placed his own Walmart order earlier this month. He added a $20 tip. When the delivery arrived he asked the worker if it showed up. The app displayed roughly $10. “I was just like, ‘Wow, what do we do with this information?” the customer-driver said.…