HTTPClient only returns HEADERS when I post my JSon payload

Question

My code returns headers when I post to the API, please assist

public static async Task<object> PostCallAPI(string url, HttpContent content)
{
using (HttpClient client = new HttpClient())
{
content = new StringContent(url, Encoding.UTF8, "application/json");
HttpResponseMessage response = await client.PostAsync(url, content);
response.EnsureSuccessStatusCode();;
if (response.StatusCode==HttpStatusCode.OK)
{
Console.WriteLine(response);
}
return response.Content;
}
}