I imagine a `/status` method would not be too hard, and is crucial in both testing and deploying applications. 

Imagine an application that updates a database with new questions. It can query the `/status` method to correctly time it's calls so that it can make it through the day.

I would also consider whether this call should count towards the limit. Twitter, for instance, doesn't count a `/status` call against the limit.

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Actually, it is included in all headers. From Chrome, here is what I get back:

> Cache-Control:private  
> Connection:keep-alive  
> Content-Encoding:gzip  
> Content-Length:5158  
> Content-Type:application/json;  
> charset=utf-8 Date:Thu, 20 May 2010  
> 23:18:10 GMT Server:nginx  
> X-AspNet-Version:2.0.50727  
> X-AspNetMvc-Version:2.0  
> **X-RateLimit-Current:298**  
> **X-RateLimit-Max:300**