Returns all banners currently linked to the specified placement.
Reference
GET https://YOUR-NETWORK-DOMAIN/rest-api/banner/placement/{placementId}/banners.do
Returns all banners currently linked to the specified placement. Banners belonging to advertisers shared with the user are returned with full details; banners from non-shared but non-private advertisers are returned in a masked format (limited fields). Requires VIEW permission on the placement's site and LINK_PLACEMENTS_TO_BANNERS permission.
using var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("GET"), "https://YOUR-NETWORK-DOMAIN/rest-api/banner/placement/4001/banners.do");
request.Headers.Add("X-Api-Key", "YOUR_API_KEY");
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());