Magento

Magento allows for the sending of customized emails at specified points within the process of creating an order. Is there any way , or could this be developed, to invoke one or many web services at the same points that these emails are sent? Also to be able to send any arbitrary product attribute as specific parameters of the service, or being able to use use product attributes to build the service endpoint would be very useful.

Is there any way , or could this be developed, to invoke one or many web services at the same points that these emails are sent?