Call an external Web services in Magento

Call an external Web services in Magento

References

Reference NO 1

http://stackoverflow.com/questions/13658439/call-an-external-web-services-in-magento

Reference NO 2

http://stackoverflow.com/questions/12530501/magento-trigger-a-call-on-recurring-checkout

Reference NO 3

http://www.magentocommerce.com/boards/viewthread/223488

Reference NO 4

http://www.qa.downappz.com/questions/magento-calling-webservice-after-checkout.html

Reference NO 5

http://magento4u.wordpress.com/2009/07/26/magento-product-inventory-update-from-external-source/

Reference NO 6

http://magento4u.wordpress.com/category/magento-api/

Reference NO 7

http://www.freelancer.com/projects/XML-Data-Processing/Magento-Import-Update-Products-via.1090221.html

Reference NO 8

http://www.mindfiresolutions.com/How-to-call-a-web-service-from-SuiteScript-1632.php