OAUTH 2.0 Access Token error

https://api.box.com/oauth2/token
I tried to get access token using this URL but i am getting below error 

HTTP/1.1 200 OK
Server: ATS
Date: Mon, 24 Apr 2017 12:53:07 GMT
Content-Type: text/html; charset=utf-8
Pragma: no-cache
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Strict-Transport-Security: max-age=31536000; includeSubDomains
Vary: Accept-Encoding
Set-Cookie: box_visitor_id=58fdf5337ab4b5.96468955; expires=Tue, 24-Apr-2018 12:53:07 GMT; Max-Age=31536000; path=/; domain=.box.com; secure
Set-Cookie: bv=OPS-41710; expires=Mon, 01-May-2017 12:53:07 GMT; Max-Age=604800; path=/; domain=.app.box.com; secure
Set-Cookie: cn=99; expires=Tue, 24-Apr-2018 12:53:07 GMT; Max-Age=31536000; path=/; domain=.app.box.com; secure
Set-Cookie: site_preference=desktop; path=/; domain=.box.com; secure
Set-Cookie: box_redirect_url=value; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=-***number removed for privacy***6; path=/; domain=.app.box.com; secure
Set-Cookie: box_redirect_rm=value; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=-***number removed for privacy***6; path=/; domain=.app.box.com; secure
Set-Cookie: box_referrer_url=value; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=-***number removed for privacy***6; path=/; domain=.app.box.com; secure
Age: 0
Connection: keep-alive
Content-Length: 17981




























 
 

 




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It appears that your firewall may be blocking Box or you are encountering an error.

Please contact your IT administrator to configure your firewall to recognize all sub-domains of .box.com, .box.net, .boxcloud.com and .boxcdn.net. The ports used on these domains are 80 and 443.
See our Firewall FAQ.

If that does not resolve the issue, then please submit a support ticket at https://app.box.com/help.






















 


 



 

 
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