You can create a REST project based on your WADL definition:
Select File > New Project.
– or –
Use the New Test tile on the Dashboard.
In the Create Project dialog, switch to the Definition tab and select WADL definition (REST).
Specify the project name, full path or URL of the WADL file.
Select Create a test case for the imported WADL if you want to create a test case based on the WADL specified. You can use this test case as a baseline for your functional tests.
ReadyAPI will create the project based on your service description.