Connect to my backend with data extracted

Hi, I want to call a POST API with all the data extracted from chatbot in multiple interactions.
Will the webhook be able to send the POST request or i need to use JSON API interaction. I saw the documentation and it says the last message can be sent but is there a way to send all the extracted information to backend (Eg:- name, email, phone number).
I don't want to send custom messaged from backend but to just save the data extracted in my database