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ArcGIS API for Flex version 1.0 released 2008-10-24 - read the What's New for more information.

The ArcGIS API for Flex™ allows the creation of Rich Internet applications on top of ArcGIS Server. It is integrated with Adobe Flex Builder 3 and can be downloaded for free. The Flex framework is a client-side technology that is rendered by Flash Player 9 or Adobe AIR.

To use the Flex API you simply download the ArcGIS API for Flex library and start creating your Flex applications using Flex Builder 3 (or your Flex tool of choice).

Play around with the Flex sample below or see more samples in action!

Quick Start