Niantic Spatial Development Kit (NSDK)
NSDK 4.x is Niantic Spatial's unified, SDK-first developer platform for Unity, Swift, Android, and ROS 2, exposing VPS 2.0 visual positioning (centimeter-level 6DoF localization), semantic understanding, meshing/depth, and the VPS Coverage API. Formerly the Lightship Augmented Reality Developer Kit (ARDK). Access is authenticated with a Niantic Spatial token (NSDK 4.0+; legacy Lightship API key for ARDK 3.x).