Thanks for the question.  I am not immediately familiar with the plant.  Does it have a woody base? Can you share some pictures of the fall foliage? 

I am still striking out on what species this is.  We have so many ornamentals in Alaska now it can be hard to keep up with.  I tried using the "Seek" app which will give some idea from pictures.  You might try that since you can get to the plant in person.  

I can help with some care and pruning advice though because most woody vines are the same.  If this isn't a fruit producer you don't need to worry about pruning unless you want the plant to be smaller and keep it from encroaching into unwanted areas.  When you prune it is best to do later in October through March or April when it is cold because insects and pathogens are not spreading at that time.  Also with most vines or trees not pruning more than about 10% of what is there helps to keep from shocking the plant. Really vigorous growing vines can handle more pruning. 

I'd love to hear what you find out.  The seed pods help a bit putting it in the legume family. I still don't know this one unfortunately but I will keep looking around.