Is there an easy way to get campaigns between two dates? I'm using /emailmarketing/campaigns but I want to use a start and end date. I could just pull all campaigns since the start date and then parse through and discard all of the campaigns after the end date, but that could be a lot of processing depending on the dates. For example I want to be able to pull all campaigns from 01-01-2014 through 03-31-2014 Right now I'd have to do this: https://api.constantcontact.com/v2/emailmarketing/campaigns?status=SENT&modified_since=2014-01-01 But that'd give me everything from Jan 1 through today. This gets worse the farther back the start date is. I'm working on a reporting tool and I'd like to automate some comparisons, so compare open rates, # of campaigns sent, etc, from Q1 2013 with Q2 2014, and so on. But I really don't want to have to get 1 1/2 - 2 years worth of campaigns and then pull out just the ones I want. So is there a way to specify a date range? I couldn't find anything in the documentation.
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