/api/v1/brand/55/pod/1/seriesdata/?format=json&username=your_username&api_key=your_apikey&graph=highcharts

api.v1.brand.55.pod.1.seriesdata.highcharts.json

[
   {
      "data":[
         [
            1306299600000,
            67
         ],
         [
            1306386000000,
            63
         ],
         [
            1311038116000,
            89
         ]
      ],
      "name":"friends"
   },
   {
      "data":[
         [
            1306299600000,
            37
         ],
         [
            1306386000000,
            27
         ],
         [
            1311038116000,
            37
         ]
      ],
      "name":"followers"
   },
   {
      "data":[
         [
            1306299600000,
            5
         ],
         [
            1306386000000,
            0
         ],
         [
            1311038116000,
            0
         ]
      ],
      "name":"listed"
   },
   {
      "data":[
         [
            1306299600000,
            147
         ],
         [
            1306386000000,
            148
         ],
         [
            1311038116000,
            279
         ]
      ],
      "name":"statuses"
   }
]