[YouTube-API] Quota issues

I created this instant playlist app YouHero (http://youhe.ro) and It relays heavily on users searching the YouTube and watching/listening the results as a playlist.

I don't want to make users sign-in to user my app. Is there a way to avoid yt:quota too_many_recent_calls?

Note: the app is deployed on appengine and I was using python with gdata API and now I switched to GO http request/regexp to parse YouTube's results.

Thank you,

-rif

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