The following article provides info about information on how to use the V2 API. Basically there are always 2 steps involved:
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again, expand the drop down, click ‘Try it out’ and then ‘Execute’
you get an example of how to make such a request
in my case, I entered “hello” as the authentication token, just to show how the token is present on the header, in a valid case, the word “hello“ would be a long encoded text
