Link Google Adwords-keyword Tool

hi

i want the xhr (xml http request)(api link) for
new window (google adwords-keyword tool)

https://adwords.google.com/select/KeywordToolExternal

Reason :
for download result keywords.

and without open window.

this is old xml Link, but google stop link

https://adwords.google.com/select/VariationsTool?adgroupid=0&campaignid=0&adgroupIntegrated=false&skipLogin=true&currencyCode=CAD&maxCpcOverride=&targetLanguages=en&targetCountries=US&synonyms=true&captchaAnswer=(Captcha)&suggest=true&excludedWords=&allowExisting=true&showAdult=false&showTrademark=null&keywords=(keyword)

i want new Link Xml.

thank you