Get the API that lets you build mapping apps on the Flex platform. Integrate a wide range of mapping and GIS tasks, including editing, geocoding, routing, mapping and data visualization.Download
Instructions are provided to help you install the API and set up your development environment.Get Started
Use ArcGIS.com or your own on-premises ArcGIS Server. The API provides tools to make working with both simple, including built-in support for OAuth authentication.