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QR ticket scanning at the door: fast entry without fake tickets

The QR code is the easy part. What makes the door fast is how many scanning points you set up, how you split the lines and what you do when something breaks.

By Adrián De Los Reyes 4 min read Also in: Español

QR ticket scanning works like this: every ticket carries a unique code; at the door, your staff scan it with a phone and the system says right away whether it’s valid, already used or for another event. To avoid queues, the technology matters less than the setup: how many scanning points you run, how you split the lines and what you do when something breaks.

What a good QR check-in system does

  • One code per ticket, tied to the purchase and impossible to guess.
  • Central validation: each scan is checked and marked as used, across every door at once.
  • Duplicate alerts: if someone shows the same ticket again, say a screenshot, it comes up as “already scanned”, with the time. Only the first person gets in.
  • Live capacity count: every scan adds up, so you know how many people are inside without counting by hand.
  • Search by name or email, for when a buyer can’t find their ticket.

How many scanning points you need

Do the math with your own door. Time five people from the moment they reach the scanner until they’re through: scan, ID check if needed, wristband.

An example: if each person takes 6 seconds, one scanning point handles about 10 people a minute, about 600 an hour. If you expect 800 people between midnight and 1 a.m., you need at least two points, and three for the busiest half hour.

Plan for the peak, not the average: people don’t arrive evenly through the night.

How to stop fake and duplicate tickets

  1. Sell only through your own channels, and say so on your website and socials: tickets bought elsewhere aren’t guaranteed.
  2. Ask buyers not to post their tickets. A photo of a QR code in an Instagram story is a ticket someone else can use.
  3. Put the buyer’s name on the ticket for events with a higher resale risk.
  4. Use one system for every door. If each door validates on its own, the same ticket can get in twice.
  5. Review duplicate alerts after the event: they show you where resale is happening.

Event night: the door checklist

Before doors open

  • Test two or three tickets on every scanning phone.
  • Charged phones and a power bank per scanning point.
  • Check signal at the door. In basements and warehouses, have Wi-Fi or a plan B, and ask your provider what the system does offline.
  • Enough light in the scanning area.
  • Separate lines: tickets, box office and guest list.

During

  • One person for problems, away from the line: tickets that won’t show up, name changes, questions.
  • Ask people in line to have their ticket open and their screen brightness up before they reach the door.
  • Watch capacity live and warn the bar and security as you get close to the limit.

After

  • Compare tickets sold with tickets scanned. People who bought and didn’t come are exactly the audience to remind next time.

Common mistakes

  • One scanning point for the whole crowd.
  • Mixing box office buyers and ticket holders in the same line.
  • Relying on signal at the door without testing it.
  • No way to find a ticket by name or email.
  • Training door staff five minutes before opening.

How we do it at Validiam

With Validiam, every ticket carries its QR code and your staff check people in from their phones with the app. The dashboard shows tickets sold, tickets scanned and capacity for each event, live. And people buy on your own website, under your brand, with every payment going straight into your Stripe account.

Before Validiam, we ran the automations for a ticketing platform that works with large venues. If you’d like to see it with your next event, you can run one alongside your current platform: book a 30-minute demo. If you’re comparing costs, here’s how no-commission ticketing works for venues, and how to show booking fees under the new all-in pricing rules.

FAQ

Do I need dedicated scanners?

Not necessarily. Most venues scan with phones and an app. With very high volume at a single door, consider dedicated scanners or more scanning points.

What happens if someone shows a screenshot of a ticket that’s already been used?

The system flags it as already scanned and shows when. Whoever showed it first gets in; the second person goes to the problem desk.

What if a buyer can’t find their ticket?

Look it up by email or name at the problem desk and check them in from there. A same-day reminder with a link to the ticket helps prevent this.

Adrián De Los Reyes is the founder of Qode Studios, the company behind Validiam. Before Validiam, his team ran the automations for a ticketing platform that works with large venues.