BRCG × acac · Dynamic image service

acac OG

Tiny Next.js project that generates personalized 1200×630 PNGs for ACAC HubSpot emails. URL parameters drive the content — HubSpot resolves them at send time, the recipient's email client fetches the URL when the email opens, Vercel's CDN caches per-URL.

Matrix-aware as of 2026-05-26. All endpoints with a site param consult the source-of-truth amenities + class offerings matrix (Meghan/Allison). Birthday auto-picks a perk the club actually has. Milestone falls back to a real class type. Referral shows what your friend would gain access to. Class endpoints fall back to the club's actual offerings when filters miss.

Endpoints

/api/og/club-amenities — full amenity grid + class types for the recipient's home club. NEW
/api/og/upcoming-classes — recipient's next 5 classes for today, filtered by site/interests/intensity. Falls back to club's offered class types when filters miss.
/api/og/weekly-classes — top class match per day for 7 days, same filters. Same matrix-aware fallback.
/api/og/milestone — anniversary tenure number + 3 stat tiles + amenity chip strip.
/api/og/birthday — editorial birthday card. Auto-picks perk from club's amenities when none passed; chip strip shows their access.
/api/og/referral — refer-a-friend code reveal with "your friend gets access to" chip strip.
/api/og/waitlist-opened — class spot opened, urgency band.

acac OG

Endpoints

Try it — matrix-aware examples

Try it — auto-personalized

Try it — class fallback scenarios