Removes the entire pricing configuration from the specified banner, including the base price and all country-level overrides. After deletion, the banner will have no pricing record. Requires UPDATE permission on the banner's advertiser and MANAGE_PRICING permission.
using var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("DELETE"), "https://YOUR-NETWORK-DOMAIN/rest-api/banner/3001/pricing.do");
request.Headers.Add("X-Api-Key", "YOUR_API_KEY");
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());