Connect CrowdPass to Firebase
Build real-time event apps powered by Firestore data that syncs the moment attendees register, check in, or interact
Firebase is the backbone of real-time applications — live dashboards, mobile check-in apps, attendee networking features, and interactive session tools. Connecting CrowdPass to Firebase via Zapier means event data flows into Firestore or Realtime Database instantly, powering custom applications that would take months to build with a traditional backend. Registrations appear in your attendee directory app in real time, check-ins update live capacity displays on screens throughout the venue, and lead captures sync to a custom exhibitor portal. Firebase's real-time listeners push updates to every connected client simultaneously, so a check-in at the door reflects on the session moderator's tablet, the ops team's dashboard, and the attendee's app in under a second. For event teams building custom digital experiences, Firebase is the real-time data layer that makes everything feel instant.
Automations you can build
Registrations create Firestore documents in an "attendees" collection with fields for name, email, company, ticket type, and session selections. Any app connected to Firestore via real-time listeners immediately reflects the new registration — the event's attendee directory updates, the registration count on the welcome screen increments, and the capacity tracker adjusts available seats for selected sessions.
Check-ins update the attendee's Firestore document with a "checkedIn" flag and timestamp. A Cloud Function listening for this write triggers downstream actions: updating the real-time capacity counter, sending a push notification via Firebase Cloud Messaging welcoming the attendee, and logging the check-in to a Firestore "activity" subcollection for audit purposes.
Booth leads are written to the Firebase Realtime Database under a path structured by event and exhibitor. The exhibitor's lead retrieval app, built on Firebase, updates in real time — the booth manager sees the new lead appear on their tablet instantly, with all qualifying details. The Realtime Database's low-latency sync ensures leads are never "stuck" waiting for a batch process.
Ticket purchases create documents in a "transactions" collection and atomically update an aggregation document that tracks total revenue, tickets sold by tier, and remaining inventory. The event organizer's financial dashboard reads the aggregation document in real time, showing revenue climbing throughout the on-sale period without manual reconciliation.
How event teams use this
Real-time venue capacity displays powered by Firestore
A 10,000-person music festival uses CrowdPass NFC wristbands for access control across six stages. Each tap is synced to Firestore via Zapier. Cloud Functions calculate real-time occupancy per stage and write the counts to an aggregation document. Large LED displays at each stage entrance read this document via a lightweight Firebase web app, showing "Stage A: 1,847 / 2,000 — Filling Up" in real time. When a stage hits 95% capacity, a Cloud Function sends a push notification to all attendees via Firebase Cloud Messaging: "Main Stage is nearly full — head over now or watch the livestream from the Chill Zone." Festival operations maintain safe crowd densities without manual headcounts.
Custom attendee networking app with live presence
A tech conference builds a custom networking app on Firebase. When attendees register via CrowdPass, their profiles are created in Firestore with interests, company, and role. When they check in at the venue, their Firestore document is updated with "present: true." The networking app shows only currently present attendees, filters by shared interests, and enables in-app meeting requests. Firebase Realtime Database powers the presence system — when an attendee's app goes offline (they leave the venue), their presence status updates within seconds. By the end of the conference, the app has facilitated 400 meeting requests that wouldn't have happened through chance encounters alone.
Exhibitor lead retrieval portal with instant sync
A trade show with 200 exhibitors provides each booth with a lead retrieval tablet running a Firebase-powered app. When a badge is scanned via CrowdPass, the lead data writes to Firebase under the exhibitor's path. The booth manager sees the lead appear on their tablet instantly with full registration details. At the end of each day, a scheduled Cloud Function generates a CSV export for each exhibitor and emails it. Exhibitors who prefer real-time access use the app; exhibitors who prefer batch processing get the nightly export. Both workflows run on the same Firebase data layer.
Connect in 3 steps
No code required. Set up in under 5 minutes.
Log in to Zapier
Go to zapier.com and search for "CrowdPass" in the app directory. Connect your CrowdPass account using your API key from Settings > Integrations.
Choose your trigger
Select a CrowdPass trigger event: new registration, attendee check-in, NFC badge scan, lead capture, or form submission. Each trigger sends full attendee data.
Map your action
Choose the destination app and configure what happens. Map CrowdPass fields (name, email, ticket type, custom questions) to the app's fields. Test and activate.
Frequently asked questions
Related integrations
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