You only need an registered account with data1.io. Just click the Create your own app ... button in the public showcases screen:
Press now the button Start with your FREE application! to start the process:
Fill in your organization`s base data and define the name of your application:
Done - please check your e-mail account for the confirmation mail:
Click the Create Application link to start the creation of your application:
It takes 1-2 minutes to create your application:
Now your application is ready for the individual setup:
Please be aware that this application is a "FREE application" (Enterprise Features are not available).