Send Conversion Event via Action Scheduler

functions.php

<?php
/**
 * Example Sending Conversion Event via Action Scheduler
 */

if ( ! function_exists( 'update_event_tracking_software' ) ) {
    /**
     * Handle order status changes and send events to event tracking software PAP updates.
     */
    function update_event_tracking_software( $order_id, $old_status, $new_status ) {
        
        // Schedule an API request to Event Trackig Software in the background
        as_schedule_single_action( time(), 'event_tracking_change_order_status', array( $order_id, $status ) );
        return;
    }
}
add_action( 'woocommerce_order_status_changed', 'update_event_tracking_software', 10, 3 );

// Add actions for the Action Scheduler to run our asynchronous callback function (below)
add_action( 'event_tracking_change_order_status', 'event_tracking_change_order_status_callback', 10, 2 );

if ( ! function_exists( 'event_tracking_change_order_status_callback' ) ) {
    /**
     * Send conversion event to Event Tracking software
     */
    function event_tracking_change_order_status_callback( $order_id, $status ) {
        // Continue writing your code here.
        // Action Scheduler will run this code in the background
        // Send an API request.
        // @see https://developer.wordpress.org/reference/functions/wp_remote_post/
    }
}
?>