I was just want to share my code example. Because when I start work with Companies House API I couldn’t find any information on c#. Any need any help or have any questions please let us know.
public static string MainURL = "https://api.company-information.service.gov.uk";
private string Data = "";
public static readonly HttpClient HttpClient = new HttpClient();
public async Task GetSingleCompanyDetails(string CompanyNumber)
{
var request = new HttpRequestMessage(HttpMethod.Get, MainURL + “/company/” + CompanyNumber);
var APIKEY = System.Text.Encoding.UTF8.GetBytes(“YOURAPIKEY:”);
string val = System.Convert.ToBase64String(APIKEY);
request.Headers.Authorization = new AuthenticationHeaderValue(“basic”, val);
HttpResponseMessage response = await HttpClient.SendAsync(request);
if (response.StatusCode != HttpStatusCode.OK)
{
Data = response.ToString();
}
Data = $"{await response.Content.ReadAsStringAsync()}";
CompanyDetails CompanyDetails = JsonSerializer.Deserialize<CompanyDetails>(Data); // <CompanyDetails>(Data);
return CompanyDetails;
}