Quintiq APIREST ​​​​​​​Integration ​​​​​​​-https://nordicapis.com/web-service-what-is-a-rest-api-and-how-does-it-work/

Delmia Quintiq uses the Rapid Integration Generator (RIG) to create restful APIs so that customers can retrieve data and interact with the Quintiq model in a variety of ways. 

What exactly is a Restful API?

Restfulapi.net defines 6 guiding principals for a restful API

1. Uniform Interface
2. Client-Server
3. Stateless
4. Cacheable
5. Layered System
6. Code on demand (Optional)

What aspects of Restful APIs or integration in general are important for your business?