API Timeout error with HttpWebRequest C# | wroking with postman and restsharp

Question

I am trying to make apiAPI(Expedia API for Hotel booking) with URL https://test.ean.com/2.1/itineraries?token= using C# HttpWebRequest and every time its return time out error

I'm trying to send request using RestSharp some time it works , when I use PostMan or soap UI there are no problem but when I do it with code using HttpWebRequest I got error like

{"The operation has timed out"}

I am using below header to execute API

Accept-Encoding gzip
Authorization EAN apikey=3dsc5rp4ae3hit69plc0m0af1g,signature=BFA4B8F006B99D40D693C48EC213371247D13A27850ED00ECFC23567123FD27FB1259D34DF50D240E1B99308821B758187CEA2DDF531B8D47F2B257768C89A07,timestamp=1547040437
Customer-Ip 192.168.1.1
User-Agent  Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Test standard
accept application/json

Can any one please help me to resolve time out error with HttpwebReuqest

Thank you in advance

Answer 1

I got alternative solution, Using RestStarp Version 105.2.3 its working fine. Older version of restsharp was not consistence but new version is working fine