PostToInstaPaper.java

  static final String BASEURL = "https://www.instapaper.com/api/";


  static int addToInstaPaper(String username, String password, String url) throws IOException {
    StringBuilder b = new StringBuilder();
    b.append("username=").append(URLEncoder.encode(username, "utf-8"));
    b.append("&password=").append(URLEncoder.encode(password, "utf-8"));
    b.append("&url=").append(URLEncoder.encode(url, "utf-8"));
    b.append("&auto-title=1");
    byte[] payload = b.toString().getBytes("utf-8");

    URL apiUrl = new URL(BASEURL + "add");
    HttpURLConnection connection = (HttpURLConnection) apiUrl.openConnection();
    connection.setDoOutput(true);
    connection.setRequestMethod("POST");
    OutputStream os = connection.getOutputStream();
    os.write(payload);
    os.close();
    return connection.getResponseCode();
  }