How to block a lost American Express credit card immediately?
Maya Pathak
Asked 13 May 2026
I lost my American Express credit card. What is the fastest way to block it through the app or customer care to prevent misuse?
6 Answers
I've been using this card for over a year now. In my experience, the rewards are decent but the real value is in the lounge access and the milestone benefits. Make sure to read the fine print on the welcome benefit — most banks only credit it after the first transaction, not on approval.
I was worried about the high joining fee but the welcome benefit voucher was credited within 30 days of crossing the spend threshold. Net cost: zero. The trick is to time your application so that you make a big purchase (appliance, travel booking) in the first 45 days.
Tip from someone who made this mistake: never max out the credit limit in the first 6 months. Banks track utilisation, and high utilisation right after approval often triggers a credit limit decrease or even an account review.
Two cards from the same bank usually share credit limit, not stack it. So if bank gives you ₹2 lakh total, splitting between two cards doesn't increase your available credit. That's a common misconception people carry when applying for their second card.
Two cards from the same bank usually share credit limit, not stack it. So if bank gives you ₹2 lakh total, splitting between two cards doesn't increase your available credit. That's a common misconception people carry when applying for their second card.
Forex markup comparison: Amex = 3.5%, HDFC Infinia/Diners Black = 2.0%, Axis Atlas = 3.5% but with milestone fee waivers, ICICI Emeralde = 3.5%, Standard Chartered = 3.5%. If you travel more than twice a year, the math favours Infinia or Diners Black.
Your Answer
Sign in to post your answer and help the community.
Sign in to postWhy sign in? We moderate Q&A to keep it spam-free.