Hi Brad,

thanks for your information from a practical experience with this, although
it just seems weird. Why navigation companies doesn't exploit this? And how
do they figure it out? Since you can make a request from your phone as well
as from a desktop application or even your browser. Binding the limit to IP
address seems awfully unfair since when connecting the phone through your
telephone provider, you get the same IP address as tens, maybe even hundreds
of other users. That would seriously limit application's usability in these
cases (= mobile applications).

Best regards,
Filip Havlicfek

PS: I'm "arguing" about this matter since I'm seriously interested in it and
would like to see some proofs instead of assumptions. No harsh feelings :)

2010/8/24 Brad Gies <[email protected]>

>
> Just to clear up what might be a little confusion... The limit is 2,500 per
> "Developer", "Key", or "Website", not for "All Apps for anyone". ... I don't
> know how they figure it out either....but I can tell you that when I have
> used more than that limit for more than a couple of days in a row, I was cut
> off for 24 hours :).
>
> They also state that it is meant to be used to make a query one time, and
> that you should cache the results (and follow the TOS) instead of calling it
> again, and if you do that, you will find you don't use it to the limit very
> often :).
>
>
>
> On 24/08/2010 12:31 AM, Filip Havlicek wrote:
>
>> And you are sure based on what? Your assumption? I'm just telling you what
>> is written.
>>
>> "Use of the Google Directions API is subject to a query limit of 2,500
>> directions requests per day."
>>
>> Nothing else is written there about the public limitations. I'm pretty
>> sure the limitations is for all the applications because 1) for public
>> usage, you don't need any key 2) from user point of view, who would request
>> 2500 directions per day? I'm sure practical user maximum would be around
>> 100-200 request. And this limitation is there IMHO for rendering usage of
>> this API in a core of commercial navigation softwares (ie TomTom)
>> impossible, because they would make a lot of money on this basic API (I
>> don't own any of this software, but from what I know, that's just what they
>> do - directions+maps+reading, that could be done with Google APIs in a few
>> days).
>>
>> Although I'm sure I can be ultimately wrong (although in that case, I
>> would be curious why noone would be exploiting these APIs to make profit).
>>
>> Best regards,
>> Filip Havlicek
>>
>> 2010/8/24 davemac <[email protected] <mailto:[email protected]>>
>>
>>
>>    That doesn't sound quite right. I'm sure that the limit is either
>>    based on the signature of the app (questionable) or based somehow on
>>    the user who's using it. Either way I'm not sure how Google could
>>    possibly figure either one out. If it's the latter as I suspect, then
>>    I should be fine using the Directions API in my app, with some sort of
>>    notice to the user that only 2500 requests per day are allowed. If
>>    it's the former, then I'm most likely out of luck.
>>
>>    Anyone else know?
>>
>>    - dave
>>
>>    On Aug 22, 11:31 am, Filip Havlicek <[email protected]
>>    <mailto:[email protected]>> wrote:
>>    > As far as I know, the 2500 requests per day is for all
>>    applications out
>>    > there (be it desktop, mobile or whatever), so your application
>>    really can't
>>    > rely on this directions API since it can be brought offline in
>>    less then an
>>    > hour by all the applications using it. (And in my opinion that's
>>    why noone
>>    > is using it for anything but debugging.)
>>    >
>>    > 2010/8/22 davemac <[email protected]
>>    <mailto:[email protected]>>
>>
>>    >
>>    > > I would love to be able to use the Directions API in my
>>    Android app,
>>    > > but I'm confused by the information in the Directions API
>>    > >
>>    documentation:
>> http://code.google.com/apis/maps/documentation/directions/
>>    > > so the short form of my question is: can Android apps use the
>>    Google
>>    > > Directions API?
>>    >
>>    > > It clearly states the intended audience includes mobile
>>    developers.
>>    > > But it also states that you're limited to 2500 requests per
>>    day. Does
>>    > > this mean my app, if deployed to thousands of devices, is in total
>>    > > restricted to 2500 requests per day? How could the Google
>>    server tell
>>    > > anyway? Based on IP address? In which case I may be okay. The docs
>>    > > also say no API key is required so again it would seem the Google
>>    > > servers have nothing to use to accumulate a counter of
>>    requests per
>>    > > day. Still, I don't want to be in violation of any Google Terms of
>>    > > Service.
>>    >
>>    > > So is it okay or not? Thanks in advance.
>>    >
>>    > > - dave
>>    >
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> --
> Sincerely,
>
> Brad Gies
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