Alex的博客

百度:

pc:

http://suggestion.baidu.com/su?wd=关键词&json=1

手机:

https://m.baidu.com/su?&ie=utf-8&json=1&wd=关键词

搜狗:

pc:

http://www.sogou.com/suggnew/ajajjson?key=关键词&type=web

手机: 没有下拉词,只有相关搜索 然后用正则去截取

https://m.sogou.com/web/searchList.jsp?&keyword=关键词

360:

pc:

http://sug.so.360.cn/suggest?callback=suggest_so&encodein=utf-8&encodeout=utf-8&format=json&word=关键词

手机:

https://m.so.com/suggest/mso?kw=关键词