REST lesson learned: Avoid hackable URLs

REST lesson learned: Avoid hackable URLs

Hackable URLs are great for level 1 and 2 APIs because the way you (as a client) are told to construct URLs is by assembling them from templates. As an example, the Windows Azure REST APIs explicitly instruct you to construct the URL in a particular way: the URL to get BLOB container properties is https://myaccount.blob.core.windows.net/mycontainer?restype=container, where you should replace myaccount with your account name, and mycontainer with your container name. While code aesthetics are subjective, it's not even a particularly clean URL, but it's easy enough to produce. The URL template is part of the contract, which puts the Windows Azure API solidly at level 2 of the Richardson Maturity Model. If I were designing a level 1 or 2 API, I'd make sure to make URLs hackable, too.

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