The CardBuzz blog
Card-by-card write-ups from our team, features, fees, lounge access and who each card actually suits. For the numbers after every cap and exclusion, head to the card pages.
6094 posts · Page 314 of 508 · View the full archive
How-To GuidesTap-to-pay on your phone: tokenised wallets vs the physical card
If you pay by tapping your phone at a terminal, you are using a different piece of technology from the contactless card in your wallet — even though the experience feels identical. Phone tap-to-pay runs on tokenisation,
How-To GuidesHow contactless card payments work in India: NFC, the PIN rule, and limits
You tap a card on a terminal and the payment is done — no swipe, no insertion, no PIN typed for most everyday amounts. Contactless payments are now unremarkable at Indian grocery counters and pharmacies, but plenty of us
How-To GuidesBuilding a decline-proof payment routine: toggles, limits, and backup cards
Declines are rarely bad luck. Across this series we have traced them to toggles, limits, expired credentials, authentication breaks, risk flags, and merchant faults — and nearly every one of them is preventable with a sm
How-To GuidesStanding instruction and autopay failures: why recurring payments break
Recurring payments — OTT subscriptions, music apps, cloud storage, SIP-style debits, utility autopay — are supposed to be the payments you never think about. In India they run on a framework with specific rules, and when
How-To GuidesMerchant says "payment failed" but the bank shows a debit: double-charge disputes
You paid, the merchant's page said the payment failed, you paid again — and now your statement shows two debits for one order. Or the merchant insists only one payment succeeded while your app shows the money left twice.
How-To GuidesPayment failed after the money left your account: the refund timeline
The most alarming payment failure is the one where the money has visibly left your account but the merchant says the payment failed. Your bank app shows a debit; the merchant's page shows failure. Both statements are tru
How-To GuidesOTP never arrived: the 3D Secure failure chain and how to fix it
For most domestic online card payments in India, the transaction is not complete until you clear the additional authentication step — usually a one-time password sent to your registered mobile number, or an approval in t
How-To GuidesDeclined at the POS: chip, PIN, and terminal issues that aren't your card's fault
The point-of-sale terminal is where declines feel most public — a queue behind you, the cashier watching, the machine beeping its refusal. But a POS decline is very often not a verdict on your card or your account. Termi
How-To GuidesInternational transaction declined: the cross-border toggle and what else trips it
Few declines are as badly timed as an international one: you are at a hotel desk abroad, or checking out of a foreign website at midnight, and the card refuses. International declines have their own dedicated causes on t
How-To GuidesCard declined online but works offline: the e-commerce toggle fix
One of the most common — and most easily fixed — decline patterns in India is the split personality card: it works perfectly at shops and restaurants, but every online payment fails. Or the reverse: online is fine, but t
How-To Guides"Do not honour" and other decline codes: what your bank is really saying
When a transaction is declined, the merchant's terminal or website usually shows a friendly paraphrase — "transaction declined" or "payment failed" — while the real message from your bank travels back as a short response
How-To GuidesWhy credit cards get declined in India: the common reasons, decoded
A declined transaction is one of the most irritating experiences in personal finance — you are standing at a billing counter or racing a checkout timer, and the machine simply says no. Most declines in India are not myst