Failed Request/Response headers sent from adunit.adphenom.com

gistfile1.txt

*General*
Request URL:https://portal-dev.adphenom.com/api/user?id=164
Request Method:OPTIONS
Status Code:403 Forbidden
Remote Address:52.201.157.189:443
Referrer Policy:no-referrer-when-downgrade

*Response Headers*
Connection:keep-alive
Content-Length:0
Content-Type:text/html; charset=UTF-8
Date:Wed, 02 Aug 2017 05:16:52 GMT
Server:Apache/2.4.7 (Ubuntu)

*Request Headers*
OPTIONS /api/user?id=177 HTTP/1.1
Host: portal-dev.adphenom.com
Connection: keep-alive
Access-Control-Request-Method: GET
Origin: http://adunit.adphenom.com
User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1
Access-Control-Request-Headers: content-type,x-api-auth-token
Accept: */*
Referer: http://adunit.adphenom.com/
Accept-Encoding: gzip, deflate, br
Accept-Language: en-US,en;q=0.8

*Query String Parameters*
id:164