public function get_coupon( $id, $fields = null ) {
		try {

			$id = $this->validate_request( $id, 'shop_coupon', 'read' );

			if ( is_wp_error( $id ) ) {
				return $id;
			}

			$coupon = new WC_Coupon( $id );

			if ( 0 === $coupon->get_id() ) {
				throw new WC_API_Exception( 'woocommerce_api_invalid_coupon_id', __( 'Invalid coupon ID', 'woocommerce' ), 404 );
			}

			$coupon_data = array(
				'id'                           => $coupon->get_id(),
				'code'                         => $coupon->get_code(),
				'type'                         => $coupon->get_discount_type(),
				'created_at'                   => $this->server->format_datetime( $coupon->get_date_created() ? $coupon->get_date_created()->getTimestamp() : 0 ), // API gives UTC times.
				'updated_at'                   => $this->server->format_datetime( $coupon->get_date_modified() ? $coupon->get_date_modified()->getTimestamp() : 0 ), // API gives UTC times.
				'amount'                       => wc_format_decimal( $coupon->get_amount(), 2 ),
				'individual_use'               => $coupon->get_individual_use(),
				'product_ids'                  => array_map( 'absint', (array) $coupon->get_product_ids() ),
				'exclude_product_ids'          => array_map( 'absint', (array) $coupon->get_excluded_product_ids() ),
				'usage_limit'                  => $coupon->get_usage_limit() ? $coupon->get_usage_limit() : null,
				'usage_limit_per_user'         => $coupon->get_usage_limit_per_user() ? $coupon->get_usage_limit_per_user() : null,
				'limit_usage_to_x_items'       => (int) $coupon->get_limit_usage_to_x_items(),
				'usage_count'                  => (int) $coupon->get_usage_count(),
				'expiry_date'                  => $coupon->get_date_expires() ? $this->server->format_datetime( $coupon->get_date_expires()->getTimestamp() ) : null, // API gives UTC times.
				'enable_free_shipping'         => $coupon->get_free_shipping(),
				'product_category_ids'         => array_map( 'absint', (array) $coupon->get_product_categories() ),
				'exclude_product_category_ids' => array_map( 'absint', (array) $coupon->get_excluded_product_categories() ),
				'exclude_sale_items'           => $coupon->get_exclude_sale_items(),
				'minimum_amount'               => wc_format_decimal( $coupon->get_minimum_amount(), 2 ),
				'maximum_amount'               => wc_format_decimal( $coupon->get_maximum_amount(), 2 ),
				'customer_emails'              => $coupon->get_email_restrictions(),
				'description'                  => $coupon->get_description(),
			);

			return array( 'coupon' => apply_filters( 'woocommerce_api_coupon_response', $coupon_data, $coupon, $fields, $this->server ) );
		} catch ( WC_API_Exception $e ) {
			return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
		}
	}