Link to a web API in JSON

Question:
I was sent a link to a web API in JSON for adding a stock quote from an exchange to our website. I have a link and the code but am note sure how to add it.

Product:
Wix editor, code

What are you trying to achieve:
Add stock quote to our website using a web API in JSON link

What have you already tried:
Wix help, youtube videos

Additional information:

Hi, Capitalight_Research!
In Wix, to retrieve information in JSON format through an API, you typically need to execute the API in the backend code first and then return the result to the frontend.