Amazon acquired Rivr, the robotics company behind quadruped delivery robots that can climb stairs and navigate complex urban terrain. The acquisition was announced March 19, 2026, though financial terms were not disclosed.
Quadruped Robot Capabilities
Rivr's delivery robots use four-legged biomimetic design to traverse stairs, curbs, and uneven surfaces that wheeled robots cannot handle. The quadruped systems feature autonomous navigation, secure delivery compartments with smart locks, and 24/7 operational capability.
The robots employ dynamic balance algorithms and path planning software to navigate sidewalks and residential areas independently. Their four-leg design provides stability and redundancy compared to wheeled delivery vehicles.
Last-Mile Delivery Integration
Amazon's acquisition targets last-mile delivery challenges in urban environments where traditional delivery vehicles face access limitations. The quadruped robots can reach apartment buildings, navigate pedestrian areas, and deliver packages directly to doorsteps.
The technology addresses carbon footprint reduction in delivery logistics while maintaining autonomous operation without human driver requirements. Amazon plans to integrate Rivr's robotics team and technology into its existing delivery infrastructure development.