SSPR Failure to connect to Breach Database API

We implemented the SSPR breach check.  It worked for a couple of days, but now we're getting an API error.


WARN , util.PwmPasswordRuleValidator, Problem while connecting to external breach database Failed to connect to


Is anyone else experiencing this issue? I've read on the site for haveibeenpwned that an API key is possibly needed, does anyone know how to this key is implemented?