Authorization to api 2.0 via C#

Authorization to api 2.0 via C#

Hello,
I get my access token and look it like:
1000.5d4d69ddff7ad0a6c08e6189237c77a3.8w4e28634ae391ab75ghd9b81c444c5
But in guide this token is shorter: Authorization: Zoho-oauthtoken 8133e286d4ae391ab755dd9b81c444c5.
So i need cut something from my? Oh how it use in my C# code:
var request = (HttpWebRequest)WebRequest.Create("https://www.zohoapis.com/crm/v2/accounts");
request.Method = "GET";
request.Headers.Add("Authorization", "Zoho-oauthtoken " + access_token);
//request.Headers[Authorization] = "Authorization: Zoho-oauthtoken " + access_token
var response = (HttpWebResponse)request.GetResponse();
But response retun code 401, so how corect use authorization i C#?




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