Program.cs

using System.Text.Json;
using System.Text.Json.Serialization;
using EDILibrary;
using TransformerBeeClient;

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddHttpClient();

builder.Services.AddTransient<ITransformerBeeAuthenticator, NoAuthenticator>(); // Or you could use ClientIdClientSecretAuthenticator
builder.Services.AddHttpClient(
    "TransformerBee",
    client =>
    {
        client.BaseAddress = new Uri("http://localhost:5021/"); // or https://transformerstage.utilibee.io
    }
);
builder.Services.AddTransient<ICanConvertToBo4e, TransformerBeeRestClient>();
builder.Services.AddTransient<ICanConvertToEdifact, TransformerBeeRestClient>();

var app = builder.Build();

app.MapGet("/", () => "I ❤ BO4E");
app.MapGet(
    "/talkToTransformerBee",
    async (HttpContext context, ICanConvertToBo4e transformerBeeRestClient) =>
    {
        var bo4e = await transformerBeeRestClient.ConvertToBo4e(
            "UNA:+,? 'UNB+UNOC:3+9912345789012:500+9909876543210:500+230703:1059+ASDFHGJ'UNH+11223344556678+UTILMD:D:11A:UN:S1.1'BGM+E01+918273746512345678901'DTM+137:202306300558?+00:303'NAD+MS+9912345789012::293'NAD+MR+9909876543210::293'IDE+24+918273746512345678901'IMD++Z36+Z13'DTM+92:202212312300?+00:303'STS+7++E01'LOC+Z16+78889918283'LOC+Z17+DE0000111122223333444455556667778'RFF+Z13:55001'SEQ+Z01'CCI+Z30++Z07'CCI+Z19++11X0-0000-0116-J'CCI+++Z15'CCI+++Z88'CAV+Z74:::Z09'CAV+Z73:::Z11'SEQ+Z12'QTY+Z16:0:P1'SEQ+Z03'CCI+++E13'CAV+Z30:::788811123'SEQ+Z75'CCI+Z61++ZG1'NAD+Z09+++Schaefer:Ulrike:::Frau:Z01'NAD+Z04+++Schaefer:Ulrike:::Frau:Z01+Flughafenstrasse::64+Vilseck++92247+DE'NAD+DP++++Flughafenstrasse::64+Vilseck++92247+DE'NAD+Z05+++Schaefer:Ulrike:::Frau:Z01+Flughafenstrasse::64+Vilseck++92247+DE'UNT+31+11223344556678'UNZ+1+ASDFHGJ'",
            EdifactFormatVersion.FV2310
        );
        context.Response.ContentType = System.Net.Mime.MediaTypeNames.Application.Json;
        var result = bo4e.Single().Transaktionen.Single();
        var json = JsonSerializer.Serialize(
            result,
            new JsonSerializerOptions() { Converters = { new JsonStringEnumConverter() } }
        );
        await context.Response.WriteAsync(json);
    }
);
app.Run();

public partial class Program { } // required for integration testing; If you miss this the test will complain, that it cannot find a 'testhost.deps.json'