With a whitelisted IP you can make 20k auth calls per hour for each user. Once you reach this limit for a user you cannot make any auth calls from that IP in that duration. But the user can still use his 150 limit from other apps.
http://groups.google.com/group/twitter-development-talk/browse_thread/thread/d1664c633972a7c1/9f49c1ad096e9139?lnk=gst&q=API+rate+limit#9f49c1ad096e9139 On Thu, Aug 6, 2009 at 7:50 AM, Bob Fishel <b...@bobforthejob.com> wrote: > > From the Rate Limiting documentation: > > "IP whitelisting takes precedence to account rate limits. GET requests > from a whitelisted IP address made on a user's behalf will be deducted > from the whitelisted IP's limit, not the users. Therefore, IP-based > whitelisting is a best practice for applications that request many > users' data." > > Say for example I wanted to simply replicate the twitter website. One > page per user that just monitors for new statuses with authenticated > (to catch protected users) calls to > http://twitter.com/statuses/friends_timeline.json > > Say I was very popular and had 20k people on the site. Would this > limit me to 1 call per minute per user or would it fall over to the > user limit of 150 an hour once I hit my 20k? If so how can I tell it > has fallen over besides for simply keeping track of the number of > calls per hour my server has made. > > Thanks > > -Bob >