Out of box, service-now provide channels to communicate with outside world. Service-now is capable enough to communicate over HTTP based web services. It’s is advisable to use MID (Management, Instrumentation, and Discovery) to communicate to outside world as MID server communicate over HTTP to communicate to service-now instances.
To step through this recipe, you should have active instance and valid credentials with admin/web services role.
web servicesand service-now will search out module for you as shown following: