Route 1 opens up API Jo Francis Thursday, May 20, 2021 Bluetree Group’s trade printing wing Route 1 Print is opening up its systems with a new API to facilitate automated print buying. Route 1: "Automated solutions can give so much back to our clients" The South Yorkshire-based business said the application programming interface (API) had been in development for some time, and was already being used by some key customers. It is now opening up the option to a wider client base, making it available to clients that have a credit account and are able implement the necessary back-end development on their own MIS and e-commerce systems.