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Tickets that can't be screenshot-shared.

Single-use QRs that expire after the first scan. Welcome desk just sees a green check — no fiddly Excel lookup.

Where it works

Email each attendee a unique QR. Welcome desk scans → green or red. No paper lists, no 'are you on the spreadsheet?' awkwardness.

Plus-one tickets that disappear after the first scan. Stops 'a friend of a friend' crashing.

Coat-check tokens, table reservations, VIP access — each a single-use QR your bouncer can verify on a phone.

Pre-paid attendance check. Combined with a vCard QR for the trainer's contact, one slide does both.

1
Generate per-attendee QRs
Bulk-create one QR per email address (CSV upload on Pro). Each is single-use by default.
2
Email them out
qrlia can mail the QR to each attendee with a personalised template — or export as PNG for your existing email tool.
3
Scan at the door
Welcome desk uses any phone or tablet. qrlia's check-in PWA shows green/red instantly, syncs with the dashboard live.
4
Audit later
Every scan is timestamped + IP-fingerprinted. Reconcile against your guest list in seconds.

Free for one QR with the qrlia mark. Pro is €12/mo for unlimited QRs, custom domain, MCP gateway, no watermark.

Are scanned QRs really single-use?▾

Yes when configured that way. The first valid scan flips the QR to 'used'; subsequent scans show 'already redeemed' even from the same phone.

Can I re-issue if a guest loses the email?▾

Yes — invalidate the original from the dashboard, generate a fresh QR, email it. The original code is gone.

Do the QRs expire automatically?▾

Pro lets you set a window (e.g. 'valid Saturday 18:00–22:00'). Outside the window, scans show 'not yet active' or 'expired'.

Does qrlia handle ticketing payments?▾

Not directly — pair it with Stripe / your ticketing platform of choice. qrlia's job is the cryptographic check at the door.

Is there an offline mode for the door?▾

Yes on Pro. The check-in PWA caches the guest list and syncs scans when connectivity returns.