Three connections, each one doing a specific job. What moves, which way it moves, and what you have to authorise.
Reviews and ratings in, published replies out, per connected location.
read + write
One OAuth grant with the manage-reviews scope. Revocable by you at any time from your Google account.
The day-0 request and the day-7 reminder, from your own sending domain.
outbound
DNS records for SPF, DKIM and DMARC on the domain you send from.
Cleared reviews go out as social posts. This connection is what makes reposting work — without it, reposting is unavailable.
outbound, opt-in
A SocialTrend subscription, connected to StarRep. Reposting stays switched off until both are in place.