API - Data Retrieval How to retrieve data from the Whysor API Whysor API - Device & Sensor Data Overview This document describes how to retrieve devices, sensors, and sensor measurements using the Whysor API. The API allows users to: Retrieve devices they have access to Retrieve sensors belonging to devices Read the latest sensor values Read historical sensor measurements All API requests require authentication. Authentication All requests require an authorization header. Example: Authorization: Content-Type: application/json