Analogous to "Daily New/Reactivated Items" graph on the Dashboard.

Returns an array of recent counts as [timestamp, count] pairs, where each count is the number of items that were first seen or reactivated in the time range [timestamp, timestamp + bucket_size - 1].

Timestamps are UNIX timestamps, in whole seconds.

Response

{
  "err": 0,
  "result": [
    [
      // timestamp
      1408561200,
      // count (number of occurrences from time 1408561200 until time 1408564799)
      0
    ],
    [
      1408564800,
      0
    ],
    [
      1408568400,
      0
    ],
    [
      1408572000,
      6
    ]
  ]
}```