TIBCO BusinessWorks? provides REST samples, but they are pretty complicated. Here, I have much simpler examples using only the file and XML palette. There are step-by-step instructions and also ready-made project examples.
1. Simple REST example: Download the word document with pictures and the project in the zip file testrestexample.zip from Resources below.
2. A more complicated example with a multi-operation subprocess. This example continues from Step #1. Download the word document with pictures and the project in the zip file testrestexamplewithsubprocess.zip from Resources below