Thanks for the response.
Doesn't seem to be correct, I'm still running the v1 API. When I go to the /get_printer_heads_head_id using the Swagger interface in my browser there is a required input for head_id of long data type. I have tried many things there but the only thing that returns anything is 0. What is returned appears to be the same thing as if I was to just to go /get_print_heads
I have looked through the response and don't see anything in regards to how long the head has been hot, it's serial number, and amount of material extruded. I found this: