Everything you need. Nothing you don't.

Built for venues and organizers who want event ticketing that works without the overhead. Set up in minutes, not days.

Browser-Based QR Scanner

Scan tickets from any phone's browser. No app downloads, no special hardware.

Simple Staff Access

Door staff scan tickets with a PIN. No accounts, no passwords, no training required.

Instant Ticket Delivery

Buyers receive tickets with QR codes via email the moment they purchase.

Stripe-Powered Payments

Secure payment processing with funds deposited directly to your Stripe account. We never hold your money.

Free Events

RSVP-only events with no ticket price are completely free to run on Atrium.

Event Passes

Sell season passes or multi-event access alongside individual tickets. One scanner handles both.
Create your event and set ticket types
Share your link and sell tickets online
Scan QR codes at the door with any phone

Three steps to a smoother door

Atrium combines online ticket sales with entry management so you never have to cross-reference spreadsheets and guest lists again.

  • Create your event and set ticket types
  • Share your link and sell tickets online
  • Scan QR codes at the door with any phone
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Built for venues that don't need enterprise software

Most ticketing platforms are built for arenas and festivals. Atrium is built for the rest: the comedy night, the community fundraiser, the wine tasting series, the local theater run. If your events have dozens or hundreds of attendees, not thousands, you're in the right place.

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The simplest door in the business

Atrium's QR scanner runs in any phone browser. Your team enters a PIN, points the camera at a ticket, and they're checking people in. No app installs, no account creation, no training session.

See How It Works
  • One-scan staff login or a simple PIN. Either way, your team is scanning in seconds.
  • Works offline so you can scan tickets even without WiFi
  • Works on any smartphone with a camera
  • No app to download or update

Ready to ditch the clipboard?

Get Started Free

Start selling tickets and managing entry in minutes. Free to start, no credit card required.