client/

using var client = new HttpClient();
client.BaseAddress = new Uri("https://authifypass.com");
using var content = new StringContent({
  "name": "string",
  "email": "string",
  "password": "string",
  "code": "string"
}, System.Text.Encoding.UTF8, "application/json");
using var response = await client.PostAsync("client/", content);response.EnsureSuccessStatusCode();
var content = await response.Content.ReadAsStringAsync();

fetch("https://authifypass.com/client/", {
     method: "POST",
     headers: { "Content-Type": "application/json" },
     body: {
  "name": "string",
  "email": "string",
  "password": "string",
  "code": "string"
}})
.then(res => res.json())
.then(data => console.log(data));