The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.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/canterbury/__;!!NUwMCyKv!Ifdgf8GpVEq8U9Ouin9y0QAFKDA6r74s20T5BS3k1hxDuL_iC-YNfIpGwm_RE9cgXFQUoao_2A$