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  Create Google Cloud account https://cloud.google.com/ You can create account using existing mail id. Obtain api key for Text to Speech. Create Rest Api to convert text to speech.  We are using cUrl method to send a request. Create Api.php and extend REST_Controller  <?php defined('BASEPATH') OR exit('No direct script access allowed'); require APPPATH . '/libraries/REST_Controller.php'; class Api extends REST_Controller{ public function __construct(){ parent::__construct(); } public function index_get() { $text = "Hi, how are you doing? Very well thank you. How about you? Not so well. But thank you for asking. How is the weather there? Oh, its very warm out here."; $audioContent = $this->generateSpeech($text); $this->response(array( "status" => 1, "message" => "question 1", "data" => $audioContent ), REST_Controller::HTTP_OK); } private function generateSpeech(...

  Stripe payment gateway integration using cUrl - Codeigniter 3 Sign up for a Stripe account at https://stripe.com/ Obtain Stripe api key Setup Codeigniter 3 Project Create a library for Stripe integration Create library inside libraries folder   application => libraries => Stripe_library.php <?php defined('BASEPATH') OR exit('No direct script access allowed'); class Stripe_library { protected $CI; // Default Constructor public function __construct() { $this->CI =& get_instance(); // Load necessary libraries and helpers here if needed } // Create function for checkout public function create_checkout_session($amount, $currency, $success_url, $cancel_url) { $stripe_secret_key = 'Stripe_secret_key'; $api_url = 'https://api.stripe.com/v1/checkout/sessions'; $stripeamount = $amount * 100; $data = [ 'payment_method_types' => ['card'], ...