RewardZ Travel
Full glossary
feature

Concierge

Card Concierge Service
Definition
A phone or chat service available on premium credit cards (Amex Platinum, Chase Sapphire Reserve, Visa Infinite) that handles bookings, recommendations, and problem-solving.
Why it matters
Most useful for: hard-to-find restaurant reservations, complex multi-city booking, and benefit redemption help. Tends to be less useful for cancellations, refunds, or anything requiring authority over your accounts.