Hi, I am integrating Paypal API using ASP.Net C#, I am able get Access Token using API URI using (var client = new HttpClient()) { var byteArray = Encoding.UTF8.GetBytes(ClientId + ":" + ClientSecret); client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray)); var url = new Uri("https://api.sandbox.paypal.com/v1/oauth2/token", UriKind.Absolute); client.DefaultRequestHeaders.IfModifiedSince = DateTime.UtcNow; var requestParams = new List<KeyValuePair<string, string>> { new KeyValuePair<string, string>("grant_type", "client_credentials") }; var content = new FormUrlEncodedContent(requestParams); var webresponse = await client.PostAsync(url, content); var resp = await webresponse.Content.ReadAsStringAsync(); AuthResult acc = JsonConvert.DeserializeObject<AuthResult>(resp); but Same thing I want to create Payment URI like string strURL = "https://api.sandbox.paypal.com/v1/payments/payment/"; Payment payment = new Payment(); payment.transactions = translist; //Translist is Transaction all details I have done using (var client = new HttpClient()) { //I am unable to call here please help me }
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