gistfile1.txt

    //хэдеры
    public static final Map<String, String> OPTIONS_HEADERS = new HashMap<String, String> () {{
        put("Access-Control-Request-Headers","authorization, content-type, accept, origin");
        put("Origin", "http://demos.algorithmia.com");
        put("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/601.7.7 (KHTML, like Gecko) Version/9.1.2 Safari/601.7.7");
        put("Referer", "http://demos.algorithmia.com/colorize-photos/");
        put("Access-Control-Request-Method", "POST");
    }};

    public static final Map<String, String> MAIN_HEADERS = new HashMap<String, String> () {{
        put("Content-Type","application/json");
        put("Authorization", "Simple simT5hbarHkJ0y24isRZs2Gcb0g1");
        put("Accept", "application/json, text/javascript");
        put("Referer", "http://demos.algorithmia.com/colorize-photos/");
        put("Host","api.algorithmia.com");
        put("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/601.7.7 (KHTML, like Gecko) Version/9.1.2 Safari/601.7.7");
        put("Origin", "http://demos.algorithmia.com");

    }};
    
    private class Test extends AsyncTask<String, Void, String> {
        @Override
        protected String doInBackground(String... params) {
            try {
                URL url = new URL("https://api.algorithmia.com/v1/web/algo/algorithmiahq/ColorizationDemo/1.1.14");
                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setReadTimeout(10000 /* milliseconds */);
                conn.setConnectTimeout(15000 /* milliseconds */);
                conn.setRequestMethod("POST");
                for (Map.Entry entry: Constants.MAIN_HEADERS.entrySet()) {
                    conn.setRequestProperty(entry.getKey().toString(),entry.getValue().toString());
                }
                conn.setDoInput(true);
                conn.setDoOutput(true);
                conn.setUseCaches(false);
                byte[] outputInBytes = "{https://pp.vk.me/c627131/v627131845/10eee/pYJV2Cmw11c.jpg}".getBytes("UTF-8");
                OutputStream os = conn.getOutputStream();
                os.write( outputInBytes );
                os.close();
                String line;
                BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getErrorStream()));
                while ((line = reader.readLine()) != null) {
                    Log.i("MINE", line);
                }
                return "a";
            } catch (Exception ex) {
                ex.printStackTrace();
                return null;
            }
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
        }
    }