lego_sets = []
        conn = http.client.HTTPSConnection("rebrickable.com")
        key = api_key
        auth_token = {'Authorization': 'key '+key}
        payload = "{}"
        headers = auth_token
        params = '/api/v3/lego/sets/?page_size='+str(quantity)

        conn.request("GET", params, payload, headers=headers)
        response = json.loads(conn.getresponse().read().decode('UTF-8'))["results"]

        for s in response:
            lego_sets.append(s['set_num'])