The Visual Crossing Weather API is a forecast and historical weather API that provides a 16-day global weather forecast, available on a daily and hourly basis for all worldwide locations. It also offers historical weather information. The API can be used by application developers in various types of web-based/mobile applications, including weather applications, news applications, and travel applications. The API is a REST API that follows the client-server architecture pattern and exposes several endpoints that provide weather-related data. It has both free and paid plans, with the free plan offering 500 requests per month. The API is well-documented, cost-effective, and minimalistic, making it a good option for developers looking for an economical weather API. There are also other weather APIs available on RapidAPI, such as AccuWeather API, Weather API, Air Quality API, AerisWeather API, and Yahoo Weather API.