For this project, I would suggest using the python requests module, that is build on urllib3. It's very simple code, that just works out of the box.
Relevant Skills and Experience
I've build several REST api's my self, and provided a lot of customers with code that serves different needs for different situations.
Proposed Milestones
£50 GBP - I provide you with the interfaces for the code needed, and when you accept, I continue on the rest
£100 GBP - Code is delivered for test
£100 GBP - Test is approved