7

Every response from the API can be cached for up to a minute, so making the same request multiple times in that time-frame typically won't return different results. We make note of this in the throttle documentation: While not strictly a throttle, the Stack Exchange employs heavy caching and as such no application should make semantically identical ...


5

You can get data close-enough to "real time" for most practical purposes. See the StackHose app, for example. Read the page about the API's Throttles and Quotas. From that page we can deduce: The maximum, burst, request rate is 30 requests per second, and this risks getting your app shut down. Your app will never be allowed more than 10,000 requests per ...


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