POST https://YOUR-NETWORK-DOMAIN/rest-api/sites/{siteId}/delete.do
Soft-deletes a publisher site by its ID. Requires ALL or SHARED level DELETE permission on INVENTORY (SHARED requires IS_OWNER or CAN_EDIT share type). SSP sites cannot be deleted. On success, returns {"success":true}; on insufficient privileges, returns permission_denied with the site ID.For 90 days POST /rest-api/deleted-entities/SITE/{id}/restore brings it back, links included.
using var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("POST"), "https://YOUR-NETWORK-DOMAIN/rest-api/sites/5001/delete.do");
request.Headers.Add("X-Api-Key", "YOUR_API_KEY");
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());