public static function send_tracking_data( $override = false ) {
    // Don't trigger this on AJAX Requests.
    if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
      return;
    }

    if ( ! apply_filters( 'woocommerce_tracker_send_override', $override ) ) {
      // Send a maximum of once per week by default.
      $last_send = self::get_last_send_time();
      if ( $last_send && $last_send > apply_filters( 'woocommerce_tracker_last_send_interval', strtotime( '-1 week' ) ) ) {
        return;
      }
    } else {
      // Make sure there is at least a 1 hour delay between override sends, we don't want duplicate calls due to double clicking links.
      $last_send = self::get_last_send_time();
      if ( $last_send && $last_send > strtotime( '-1 hours' ) ) {
        return;
      }
    }

    // Update time first before sending to ensure it is set.
    update_option( 'woocommerce_tracker_last_send', time() );

    $params = self::get_tracking_data();
    wp_safe_remote_post(
      self::$api_url,
      array(
        'method'      => 'POST',
        'timeout'     => 45,
        'redirection' => 5,
        'httpversion' => '1.0',
        'blocking'    => false,
        'headers'     => array( 'user-agent' => 'WooCommerceTracker/' . md5( esc_url_raw( home_url( '/' ) ) ) . ';' ),
        'body'        => wp_json_encode( $params ),
        'cookies'     => array(),
      )
    );
  }