Удаление рукописного текста
API

public static void main(String[] args) {
    String host = "https://api.removehandwriting.com";
    String path = "/sjccup";
    String method = "POST";
    String appcode = "YourAppCode";
    Map<String, String> headers = new HashMap<String, String>();
    // The final format in the header (with a space in between) is Authorization:APPCODE 83359fd73fe94948385f570e3c139105
    headers.put("Authorization", "APPCODE " + appcode);
    // Define the corresponding Content-Type according to API requirements
    headers.put("Content-Type", "application/json; charset=UTF-8");
    Map<String, String> querys = new HashMap<String, String>();
    String bodys = "{\"media_id\":\"Base64 encoded image value, with the longest side not exceeding 4000px; remove the prefix data:image/png;base64\",\"keep_distortion\":boolean type, false - auto-corrects distortion, true - disables correction\",\"keep_ori\":boolean type, false - the image will be rotated to the correct orientation, true - retains the orientation when uploaded}";

    try {
        HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);
        System.out.println(response.toString());
        // Get the body of the response
        // System.out.println(EntityUtils.toString(response.getEntity()));
    } catch (Exception e) {
        e.printStackTrace();
    }
}