Spent a week chasing a spike in 'unrecognized charge' disputes for a subscription product. Turned out the statement descriptor we sent — company name plus order reference — was 31 characters. Fine on our side, fine in the gateway's API response, fine in our own dashboard. But Visa truncates descriptors to 22 characters at the issuer level, and every bank does the truncation differently. Some cut from the end, some cut from the middle and keep a suffix, one issuer we tested just dropped vowels.
So a descriptor like "COMPANYNAME ORDER-88213" became "COMPANYNAME ORD" on one card, "COMPANYNAM-88213" on another. Customers didn't recognize either one, called their bank, bank filed it as fraud. Chargeback rate on that SKU was 3x the account average, and the reason code was almost always "cardholder does not recognize transaction," not actual fraud.
Fix ended up being: put the recognizable brand name in the first 12 characters, since that part survives truncation on basically every issuer we tested, and drop the order reference entirely (support already looks up orders by amount + timestamp anyway).
No gateway doc I've read mentions the 22-char limit or truncation behavior — you find out from dispute reason codes months later. Anyone tracking descriptor-related dispute rates as a metric on its own, separate from general chargeback rate?
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