Before anyone else says anything, I will simply say that this is a legal 
question. No one that I know of in the group is a legal expert, so any advice 
that you receive through this forum should be considered suspect. If you have 
ANY doubts whatsoever - and even if you don't - it would likely be wise to seek 
the advice of a real legal expert.

In addition, the "Google Reader API" is unofficial and should, itself, be 
considered suspect. While it is certainly, technically possible to reverse 
engineer an API based on any number of Google's private services, Google's 
general TOS prohibit any means of access to Google services except those 
explicitly developed, released, documented, and licensed by Google. For reading 
feeds and such, that would (to my knowledge) limit you to the Google Feeds API.

That said, the Google Feeds API does not really allow you to interface with the 
Google Reader application. You can't add or remove subscriptions, etc., in 
Google Reader. But you can build your own reader on its back. Assuming that you 
do this, I believe that the TOS would be interpreted to mean that you can't 
charge for the services provided by the API. But you could charge for the 
development of the application.

There are additional relevant sections of the Feeds API TOS which you should 
certainly read before you base an application on it. You should also consider 
that Google has been actively migrating its various APIs toward a centralized 
backend infrastructure, and the Feeds API is not a part of that. I would not be 
at all surprised to see the API deprecated and (ultimately) discontinued at 
some point in the relatively near future. Considering the services that it 
offers, in light of these obligations and risks, I would give very serious 
thought to developing your own backend for such an application.

Jeremy R. Geerdes
Generally Cool Guy
Des Moines, IA

For more information or a project quote:
[email protected]

If you're in the Des Moines, IA, area, check out Debra Heights Wesleyan Church!

On Oct 14, 2011, at 6:58 PM, [email protected] wrote:

> Hi folks,
> 
> Is it possible to make a paid ios/android app based on the google
> reader API? The terms of use make it seem like this should not be
> possible - however some of top selling Google reader clients in the
> ios app store are paid applications. I plan to write a client that
> folks can use to read and manager their RSS feeds - so I would like to
> know if I can make it paid or will need to use ads.
> 
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