It has always been a difficult task to find a location specific high quality past and near future data for a building community while performing the research or predicting the weather control. In this study, we provide a unique approach: the usage of a weather generator as a weather API. The benefits of this approach are illustrated with a few examples of applications. In conclusion, a weather API makes it easier to integrate models into frameworks, reduces the amount of maintenance needed, and avoids issues with interoperability caused by different computer languages. The data in the Capstone Weather App is shown using the OpenWeatherMap API. Academics and programmers of web-based services and mobile applications may access weather data, including predictions and current analysis data, using the OpenWeatherMap API, an online meteorological service. It might take a lot of effort and money to create and update REST API documentation with use examples for APIs that are continually evolving. Despite the fact that usage examples must be manually entered, several REST API documentation solutions focus on automating API object documentation. By following the suggestions from this paper's REST API documentation, REST API developers may reduce mistakes, boost success rates, and make API client developers happier.