using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Get, "https://algapsa.com/api/v1/contract-lines/{id}/usage-metrics");
request.Headers.TryAddWithoutValidation("X-API-Key", "$ALGA_API_KEY");
var response = await client.SendAsync(request);
var body = await response.Content.ReadAsStringAsync();