The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://www.google.com/search?q=healthline&rlz=1C1GCEB_enNZ915NZ916&oq=healthline&aqs=chrome..69i57j46i131i175i199i433j0i131i433j0j0i131i433j0i395l3.1478j1j1&sourceid=chrome&ie=UTF-8