xxxxxxxxxx
1
var client = new HttpClient();
2
​
3
var contentString = new StringContent(
4
  string.Empty,
5
  Encoding.UTF8,
6
  "application/json"
7
);
8
​
9
var request = new HttpRequestMessage
10
{
11
  Method = HttpMethod.Post,
12
  RequestUri = new Uri("https://integration.nonprod.taginfraestrutura.com.br/receivable/consent/optin/{key}"),
13
  Content = contentString
14
};
15
​
16
var response = await client.SendAsync(request);