using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Post, "https://algapsa.com/api/v1/tags");
request.Headers.TryAddWithoutValidation("X-API-Key", "$ALGA_API_KEY");
request.Headers.TryAddWithoutValidation("Content-Type", "application/json");
request.Content = new StringContent(@"{}", Encoding.UTF8, "application/json");
var response = await client.SendAsync(request);
var body = await response.Content.ReadAsStringAsync();