request.py

import requests
import urllib

BASE = "http://beta.gfw-apis.appspot.com/forest-change/forma-alerts"
period = "2008-01-01,2012-09-24"

sample_area = {
    "geometry": {
        "type": "Polygon",
        "coordinates": [
            [
                109.53369140625,
                2.04302395742204
            ],
            [
                109.48974609375,
                1.6806671337507222
            ],
            [
                109.69848632812499,
                1.4280747713669428
            ],
            [
                110.36865234374999,
                0.8788717828324276
            ],
            [
                110.67626953125,
                0.8019757647536726
            ],
            [
                111.005859375,
                0.9557662177941483
            ],
            [
                111.20361328125,
                1.0106897682409128
            ],
            [
                113.961181640625,
                -0.8678867310885294
            ],
            [
                113.22509765625,
                -3.480523430587774
            ],
            [
                109.852294921875,
                -3.7217452310689536
            ],
            [
                107.90771484375,
                -0.45043481325254864
            ],
            [
                108.511962890625,
                1.537901237431487
            ],
            [
                109.53369140625,
                2.04302395742204
            ]
        ]
    }
}

res = requests.get(
        BASE,
        params=dict(
            geojson=str(sample_area['geometry']),
            period=period
        )
)