The RETS API is a set of web services that allow real estate MLS data to be integrated into third-party applications. The RETS API is based on the REpresentational State Transfer (REST) architectural style and uses the Hypertext Transfer Protocol (HTTP) for communication.
A RETS API service is a web-based API that allows software to interact with a RETS server in order to retrieve data.
REST API services provide an easy way for web developers to access data and create web applications. By using a REST API, developers can easily create a web application that can access data from a variety of sources.