Dynamic QR
Contacts and QR codesThe word has two uses. In UPI, NPCI's specification calls a code dynamic when it carries other details, such as a bill number or an amount. In QR software, it usually means a code that holds a short redirect link, so the place it points to can change after printing. The second use is trade language, not a standard.
On your card. Your profile QR holds your profile link. You can edit the profile as often as you like and the printed code keeps working.
FSSAI licence number
Rules by tradeFood Safety and Standards Authority of India
A 14-digit number for a licensed or registered food business. FSSAI says it must be on cash receipts, invoices and bills, and that anyone can check a business in the Food Safety Connect app.
On your card. It helps to show it on the profile beside the menu, so a guest can check you.
HUID
Rules by tradeHallmarking Unique Identification
A six-digit alphanumeric number that is unique for each hallmarked piece of jewellery and can be traced. BIS says that since 1 July 2021 a hallmark has three marks: the BIS logo, the purity in carat and fineness, and the HUID.
On your card. It belongs to one physical piece, so a catalogue can show it only for a piece that is still in stock.
IS 19000:2022
Rules by tradeAn Indian standard on online consumer reviews: how they are collected, moderated and published. The Bureau of Indian Standards notified it as a voluntary standard for every online platform that publishes reviews.
On your card. It matters when you ask customers for Google reviews. Read it before you set up a review button.
Lead capture
On a Beeps profileA form on your profile that sends a visitor's name, email, phone and message to you.
On your card. Enquiry form and lead capture is a Basic-plan feature. The visitor does not have to save anything first.
NDEF
Card technologyNFC Data Exchange Format
The standard way to store a message, such as a web link, on a tag so that any phone can read it. A link is stored as a URI record, and common beginnings such as https:// are compressed to a single byte.
On your card. This is why one card works on any modern phone, whatever the brand.
NFC
Card technologyNear Field Communication
A short-range radio that connects two devices, or a device and a tag, when they are held together. The NFC Forum, which writes the standard, gives a typical range of up to 2 cm.
On your card. It is why a phone can open your profile with one tap and no app.
NFC tag
Card technologyA small chip with an antenna, usually set inside a card or a sticker. It has no battery. The phone's radio field powers it for the moment of the tap, and it hands over what is stored on it.
On your card. Your NFC card is a tag that holds one link to your profile.
NTAG
Card technologyNXP's tag chip family
A family of tag chips from NXP Semiconductors. The NTAG 213, 215 and 216 hold 144, 504 and 888 bytes of user memory, and NXP rates them for 10 years of data retention.
On your card. A profile link takes a few dozen bytes, so even the smallest of these chips has room to spare.
QR code
Contacts and QR codesQuick Response code
A square barcode that a phone camera reads. DENSO WAVE, the company that made it, released the QR code in 1994 and still publishes the guidance on printing one.
On your card. Every profile has its own QR code, for the places where a tap is not possible.
QR error correction
Contacts and QR codesFour levels that let a QR code still scan when part of it is dirty or damaged. DENSO says level M, which recovers about 15%, is the one most often chosen.
On your card. A higher level survives more damage, but it makes the code bigger, so each square prints smaller.
QR version
Contacts and QR codesThe size of the grid in a QR code. Version 1 is 21 x 21 modules, each higher version adds 4 modules on every side, and the largest is 177 x 177.
On your card. A longer link needs a higher version and smaller squares. A short link keeps the code easy to scan.
Quiet zone
Contacts and QR codesThe plain blank border around a QR code. DENSO WAVE asks for a border four modules wide, where a module is one of the small squares.
On your card. Keep the border empty when you print the code on a card, a standee or a door sticker.
Reader/writer mode
Card technologyThe mode a phone uses to read a tag, or write to one. The NFC Forum lists it beside card emulation mode, which is what the phone uses to pay or to show a ticket.
On your card. Opening your visiting card is reader mode. Paying at a shop counter is card emulation.
RERA registration number
Rules by tradeReal Estate (Regulation and Development) Act, 2016
The Act makes real estate agents register with their state regulator. Kerala's regulator says the agent registration number shall be quoted in every sale and in all advertisements, and ties this to Section 9(5) of the Act. Other states have their own regulator, so check yours.
On your card. Put your number where a buyer sees it before they call.
Static QR
Contacts and QR codesA QR code that holds its content as it is. To change the content you print a new code. In UPI, NPCI's specification describes a static code as one holding the payee address and name, where the payer types in the amount.
On your card. It suits a sign that never changes. For a card you will hand out for years, a code that points to a profile is safer.
Two-way contact exchange
On a Beeps profileThe visitor can leave their own name and number with you, and not only save yours.
On your card. It is a Basic-plan feature, so every plan has it. It suits events, where a saved card is useful only if you can also reach the person.
UCPMP
Rules by tradeUniform Code for Pharmaceutical Marketing Practices
The code that governs how drug companies market to doctors and chemists. The 2024 code defines a medical representative and says companies are responsible for the activities of their employees.
On your card. It is the code a medical representative's profile has to sit inside.
UPI ID (VPA)
PaymentsVirtual Payment Address
The address a payer's UPI app sends money to, written like yourname@bank. In NPCI's linking specification, the payee field of a payment link is called pa and is described as the payee VPA.
On your card. Direct UPI payments are a Pro-plan feature, from ₹299 a year.
UPI payment link
PaymentsA link that starts with upi://pay and carries the payee's details. In NPCI's specification, pa is the payee address and pn is the payee name, and more fields can follow. Tapping it opens the payer's UPI app with those details filled in.
On your card. A payment QR is this link drawn as a picture. Pay yourself one rupee from your own app before you print it.
vCard
Contacts and QR codesa contact file format
A file format for a person's contact details: names, addresses, email, phone numbers, a photo or a logo. It is defined in RFC 6350, its media type is text/vcard, and files usually end in .vcf.
On your card. The save-contact button hands the phone a vCard, so your details land in the address book and not in a screenshot.
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