The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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://urldefense.com/v3/__https://www.healthpoint.co.nz/covid-19/__;!!AuqdxLo!xSPVUeKc2MQMs3rR98G8pEiygYK7qOTMV7SeIMJHg-5fH8FAOiL0ASHovqOTDeILy9M$