Developing An API For A Downloadable Product?

Dec 30, 2010

We've got a product built using ASP.NET web forms (3.5), and are investigating adding an API to allow other applications to access data and business logic within the application.

What is the best way to implement this? I'm inclined to go down the route of using Http Handlers to read posted XML and return XML, but I'm sure there must be a better way. Is it advisable to use something like WCF instead?As the product will be downloaded and installed by users on their own servers (instead of hosted), it seems like there's a lot of pressure to get it right the first time as making changes will be hard once users start downloading and using the product.

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