delphi idhttp.get的非标准的头部信息？

Question

需要GET一个网页，返回JSON的数据，怎么把下面的这个验证信息加入到GET的头部。求代码实例。
Request：
Url: http://goexpress.market.alicloudapi.com/goexpress?no=518704351463&type=uc
Header: {"Host":"goexpress.market.alicloudapi.com","X-Ca-Tiamp":"1534066554076","gateway_channel":"http","X-Ca-Request-Mode":"debug","X-Ca-Key":"24908171","X-Ca-Stage":"RELEASE","Content-Type":"application/json; charset=utf-8","Authorizatio acc1db73c0b747edad0e8c10549b3cc3"}

Answer 1

IdHTTP1.Request.CustomHeaders.Values["X-Ca-Tiamp"] := "1534066554076";
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