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The line on your statement, explained
Short, practical guides to card statement lines: who writes them, how to read them, and what to do with them when you build a product on transaction data. Written from the descriptors we read every day.
Reading statements
- Everyone4 min read What a card descriptor is, and who writes it The short line on a card statement is not written by your bank. Who writes it, why it looks the way it does, and what each part tells you.
- Everyone4 min read Why card statements are so hard to read Fixed-width fields from the 1980s, payment facilitators in the middle, and a city squeezed into thirteen characters. Where the mess on your statement comes from.
- Cardholders3 min read An unknown charge on your card: how to identify it before you dispute Most charges people do not recognise are legitimate, just badly named. A calm, five-step way to work out who charged you, and when to call your bank.
- Cardholders4 min read Reading a UAE card statement, line by line City codes, mall abbreviations, tolls, utilities and pay-later plans. How purchases in the Emirates show up on a statement, and how to read them.
- Cardholders3 min read Reading an Egyptian card statement, line by line Bill payments through Fawry, online stores on Paymob, InstaPay transfers and transliterated Arabic names. How Egyptian card lines are put together.
- Cardholders3 min read Foreign currency charges: what the extra lines and fees mean Why a purchase abroad can show up as two or three lines, what an exchange rate printed on a statement tells you, and how to avoid paying for the conversion twice.
Payments, decoded
- Everyone3 min read SQ *, PAYPAL *, AMZN Mktp: the prefixes in front of a merchant's name When a payment company sits between you and the shop, its name often comes first. A field guide to the prefixes, from Square and PayPal to Paymob, Geidea and Tabby.
- Product teams3 min read Merchant category codes, and why they are not categories Every card payment carries a four-digit MCC. What it is for, where it goes wrong, and why a budgeting app cannot sort spending by it alone.
- Cardholders3 min read Finding every subscription on your card statement App stores bundle them, free trials hide them and resellers rename them. How recurring charges really appear, and a checklist to find all of yours.
Building with transaction data
- Developers4 min read Transaction enrichment: from a raw line to a merchant What enrichment returns, what it cannot know from one line, and how to judge an answer. Written for teams putting merchant names and logos in front of customers.
- Developers3 min read Not every line is a purchase: transfers, refunds, fees and declines A spending chart that counts a salary, a refund or a declined payment is wrong in a way users notice. How to tell those lines apart, and what to do with each.
- Product teams3 min read Building merchant recognition yourself: what the first year looks like A keyword list gets you a demo in a week. Here is what comes after: the long tail, regional processors, renames and the review queue nobody budgeted for.
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