IO Help Center

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Quick start guide

IO is event registration software currently optimized for invitation-only events, that prioritizes:


Start here 👇

These four steps are all you need to start inviting people to your event.

  1. Create your first event

  2. Add basic customizations

  3. Send a test invitation

  4. Send a real invitation


Do even more with IO ⚡️

Browse articles by topic or use the search option above to discover other powerful IO features.

Fully customize your event
Add custom HTML templates, Digital Wallet pass designs, domains and email senders

Send invitations
Import in bulk or add individually, manage distribution settings, and send invites

Track responses
Filter by status, send reminders, and capture custom data per attendee

Check in attendees
Create check-in lists, add scanners, and track attendance

Manage your account
Invite your team and manage your account