Building a RESTful API

API (Application Programming Interface) is a set of functions that allows the creation of applications that access the features or data of a service. A RESTful API uses HTTP requests to GET, PUT, POST and DELETE data.

Preventing fraud

We recently got a lot of invoices from sites all over the web, even from sites located outside of Sweden. Someone was mirroring our site using iframes and a similar domain name to ours.