CodeIgniter Library for MailChimp API v1.3 MailChimp API v1.3 The CodeIgniter Way Note: This requires that you have an account with MailChimp, and are able to obtain your API Key: http://kb.mailchimp.com/article/where-can-i-find-my-api-key/ Installation: - Download and extract - Place MCAPI.php in the /application/libraries/ folder of your CodeIgniter project To use: - First, to load the library: $config = array( 'apikey' => '' // Insert your api key 'secure' => FALSE // Optional (defaults to FALSE) ); $this->load->library('MCAPI', $config, 'mail_chimp'); Then, to use: if($this->mail_chimp->listSubscribe($list_id, $email)) { // $email is now subscribed to list with id: $list_id } Call all other methods in this manner. For full documentation on the MailChimp API, visit: http://apidocs.mailchimp.com/api/1.3/