Pinnacle is an advanced vertical positioning system that extends geolocation into the third dimension, enhancing traditional 2D services with altitude data. This technology incorporates barometric sensors built into most smartphones and tablets, providing precise altitude measurements that exceed typical GPS accuracy standards. Its metro-wide coverage through a dedicated network ensures comprehensive service across urban regions, making it ideal for applications that require high precision in altitude data. The system's design allows for seamless integration with developers' applications through easy-to-use SDKs and APIs.