var kernelBuilder = Kernel.CreateBuilder();
        kernelBuilder.AddHuggingFaceEmbeddingGenerator(
            "sentence-transformers/all-MiniLM-L6-v2",
            apiKey: "api-key");
        var k = kernelBuilder.Build();
        var g = k.GetRequiredService<IEmbeddingGenerator<string, Embedding<float>>>();
        var r = g.GenerateAsync(["John: Hello, how are you?\nRoger: Hey, I'm Roger!"]).GetAwaiter().GetResult();

Microsoft.SemanticKernel.HttpOperationException: Response status code does not indicate success: 404 (Not Found).
 ---> System.Net.Http.HttpRequestException: Response status code does not indicate success: 404 (Not Found).
   at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
   at Microsoft.SemanticKernel.Http.HttpClientExtensions.SendWithSuccessCheckAsync(HttpClient client, HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken)
   --- End of inner exception stack trace ---
   at Microsoft.SemanticKernel.Http.HttpClientExtensions.SendWithSuccessCheckAsync(HttpClient client, HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken)
   at Microsoft.SemanticKernel.Http.HttpClientExtensions.SendWithSuccessCheckAsync(HttpClient client, HttpRequestMessage request, CancellationToken cancellationToken)
   at Microsoft.SemanticKernel.Connectors.HuggingFace.Core.HuggingFaceClient.SendRequestAndGetStringBodyAsync(HttpRequestMessage httpRequestMessage, CancellationToken cancellationToken)
   at Microsoft.SemanticKernel.Connectors.HuggingFace.Core.HuggingFaceClient.GenerateEmbeddingsAsync(IList`1 data, Kernel kernel, CancellationToken cancellationToken)
   at Microsoft.SemanticKernel.Connectors.HuggingFace.HuggingFaceEmbeddingGenerator.GenerateAsync(IEnumerable`1 values, EmbeddingGenerationOptions options, CancellationToken cancellationToken)

 
 var endpoint = $"https://router.huggingface.co/hf-inference/models/{model}/pipeline/feature-extraction";

  kernelBuilder.Services.AddKeyedSingleton<IEmbeddingGenerator<string, Embedding<float>>>(serviceKey: null, (serviceProvider, _) =>
      new HuggingFaceEmbeddingGenerator(
          new Uri(endpoint),
          apiKey: "api-key"));