To Get Pokémon Global Link Season Ranking

post_pgl_ranking.rb

require "net/http"
require "uri"
require "json"
require "pp"

def post_pgl_ranking(season_id, battle_type, page_number)
    url = "https://3ds.pokemon-gl.com/frontendApi/gbu/getSeasonRanking"
    uri = URI.parse(url)
    timestamp = Time.now.to_i
    
    request = Net::HTTP::Post.new(uri.request_uri)
    request["referer"] = "http://3ds.pokemon-gl.com/battle/"
    request.set_form_data({
            'languageId' => '1',
            'seasonId' => season_id,
            'page' => page_number,
            'battleType' => battle_type,
            'timezone' => 'JST',
            'timeStamp' => timestamp
        }, '&')
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = (uri.scheme == "https")
    response = http.request(request)
    
    JSON.parse(response.entity).to_h
end

pp post_pgl_ranking(201, 1, 1)