Anti-Spam by CleanTalk integration SDK for WordPress plugins How to use summary Clone this SDK to your plugin Include apbct_sdk.php to your plugin Add the key setting form to your plugin settings Add verification in the form processing method How to use Clone this SDK and place directory antispam-integration-sdk into your plugin directory, for example like below your_plugin/ antispam-integration-sdk/ apbct_sdk.php your-plugin.php Attach antispam-integration-sdk/apbct_sdk.php in your main plugin file, for example like below require_once plugin_dir_path( __FILE__ ) . 'antispam-integration-sdk/apbct_sdk.php'; To show somewhere an independent form for saving the api-key, for example like below echo apbct_sdk_render_key_form(); Add Anti-Spam verification in the form processing method, for example like below if ($response = apbct_sdk_check_is_spam($_POST)) { wp_send_json_error($response); }