static string RecognizeRegionsFromUrl(Configuration conf) { string urlToFile = @"https://upload.wikimedia.org/wikipedia/commons/2/2f/Book_of_Abraham_FirstPage.png"; List <OCRRegion> mImageBook_of_Abraham_FirstPagePngRegions = new List <OCRRegion>() { new OCRRegion() { Order = 0, Rect = new OCRRect(209, 28, 283, 39) }, new OCRRegion() { Order = 1, Rect = new OCRRect(24, 114, 359, 185) }, new OCRRegion() { Order = 2, Rect = new OCRRect(21, 201, 356, 451) }, new OCRRegion() { Order = 3, Rect = new OCRRect(21, 464, 359, 558) } }; OcrApi api = new OcrApi(conf); OCRRegionsRequestData requestData = new OCRRegionsRequestData() { Regions = mImageBook_of_Abraham_FirstPagePngRegions }; OCRResponse response = api.OcrRegionsFromUrl(requestData, urlToFile); return(response.Text); }