BizCard

Design free · $3 to publish

This product is no longer offered. The case study stays up for the engineering behind it.

BizCard landing page with a sample digital business card

The problem

Build a card, see it live, pay only when you want the public link. The whole product ran on edge functions, so there was no server to keep alive between customers.

What we built

the card: A public page per card with a vCard download and a print-ready QR code, plus an Apple Wallet pass generated per card.
payments: PayPal checkout that also takes guest card payments, so buyers never need an account.
promos: Coupon codes redeemed atomically, so the same code cannot be spent twice by two people at once.

Stack

ReactSupabase Edge FunctionsPayPal

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