Simple .NET 8 console app that sends a single tweet

Program.cs

using System.Text.Json;
using TwitterApiLibrary;
using TwitterApiLibrary.OAuth;

/*
 * Credentials
 * -----------
 * 1. Go to the Twitter Developer Portal and create a new application.
 * 2. Edit the User authentication settings
 *      App permissions: Read and write
 *      Type of app:     Web App, Automated App, or Bot
 *      Callback URI:    http://localhost
 *      Website URL:     http://example.com
 * 3. Populate the API key and secret below, regenerating them on the
 *    "Keys and tokens" page if needed
 * 4. Generate Access Token and Secret on the "Keys and tokens" page and
 *    populate below
 */

const string TWEET_URL = "https://api.twitter.com/2/tweets";                                                                                                           
const string API_KEY = string.Empty;
const string API_KEY_SECRET = string.Empty;
const string ACCESS_TOKEN = string.Empty;
const string ACCESS_TOKEN_SECRET = string.Empty;

// Build the message. Obviously, add whatever logic you
// need to make this a fancy dynamic message.
var message = "This is my super awesome tweet.";

// Authenticate as a specific user, in this case the one
// owning the API app. Tweets will be sent from that user.
var auth = new SingleUserAuth
{
        ConsumerKey = API_KEY,
        ConsumerSecret = API_KEY_SECRET,
        AccessToken = ACCESS_TOKEN,
        AccessTokenSecret = ACCESS_TOKEN_SECRET
};
await auth.AuthorizeAsync();

// Grab an OAuth header to put on our request
var authString = auth.GenerateAuthorizationString("POST", TWEET_URL);

// Build the POST request for /2/tweets (sans body)
var request = new RequestBuilder("POST", TWEET_URL);
request.AddHeader("Authorization", authString);

// Build the payload
var obj = new { text = message };
var payload = JsonSerializer.Serialize(obj);

Console.WriteLine("Sending tweet...");
var response = request.Send(payload, "application/json");
Console.WriteLine(response);

TweetTweet.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="TwitterApiLibrary.Core" Version="0.0.9" />
  </ItemGroup>

</Project>