 The development of applications based on OpenAPI is becoming increasingly popular today. These applications use technologies like Internet of Things, IT, artificial intelligence, AI, and cloud computing to provide real-time human health monitoring. This technology provides new opportunities for monitoring air quality and providing timely warnings when pollens reach dangerous levels. Additionally, it can be used to improve the efficiency of healthcare during and after the COVID-19 pandemic. This article was authored by Oksana V. Klachko, Vassal and Federets, Maxim V. Mazur, and others.