Real-time
Two-way sync
Changes in Firebase or HubSpot instantly reflect in both systems. No stale data, no manual imports.
Database ⇄ CRM
Firebase to HubSpot integration — real-time, two-way sync
Keep Firebase and HubSpot in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
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Case study
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Why teams connect Firebase and HubSpot
Treat HubSpot like part of your database: its records live in Firebase as real tables, and writes in either place sync to the other in seconds.
Product and engineering teams constantly need CRM data, and the CRM API is a poor way to get it: rate limits, pagination, custom objects, and integration code that breaks when an admin renames a field. What they actually want is the data in Firebase, where it can be queried and joined like everything else.
Stacksync mirrors Owner, Pipeline, Stages, Audit from HubSpot into Firestore Documents, Subcollections, Realtime Database Nodes, Authentication Users in Firebase with real-time, bi-directional sync. Read CRM records with plain queries; write updates from your application and they appear in HubSpot with validation intact. Go-to-market teams keep working in the CRM, engineers keep working in the database, and neither has to think about the other.
Common use cases
- Write warehouse-computed lead and account scores back to HubSpot properties on a schedule or in near real time.
- Sync HubSpot Tickets with an internal support database to unify service reporting across channels.
- Sync Firestore user and account documents into a CRM so go-to-market teams see live product data.
- Mirror Firestore collections into Postgres or a warehouse to run SQL analytics on app data.
Product events onto CRM records
Signup, usage, or lifecycle changes written to Firebase sync onto the matching records in HubSpot, giving go-to-market teams live product context.
Internal tools without API code
Back-office apps read and write the synced tables; Stacksync handles the HubSpot API, limits, and retries.
Trigger workflows from CRM changes
Field and stage updates in HubSpot arrive as row changes in Firebase, ready to drive jobs and notifications.
What you can sync between Firebase and HubSpot
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| Firebase objects | HubSpot objects | |
|---|---|---|
| Realtime Database Nodes JSON tree paths in the older Realtime Database, synced by path. | Ticket Synced with incremental and full sync per the Stacksync docs. | |
| Authentication Users User accounts read into CRMs and warehouses for customer records. | Quote Synced with incremental and full sync per the Stacksync docs. | |
| Cloud Storage Objects Files referenced from documents; usually synced as metadata plus URLs. | Goal Synced with incremental and full sync per the Stacksync docs. | |
| Cloud Functions Triggers Server-side hooks that fire on document changes and can push updates outward. | Owner Synced with incremental and full sync per the Stacksync docs. | |
| Firestore Collections Top-level groupings of documents that a sync maps to tables or SaaS objects. | Pipeline Synced with incremental and full sync per the Stacksync docs. | |
| Firestore Documents Schemaless JSON-like records, the primary unit synced to and from external systems. | Stages Synced with incremental and full sync per the Stacksync docs. |
What ships with Firebase ⇄ HubSpot
Connect Firebase and HubSpot for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Firebase–HubSpot connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Firebase or HubSpot data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single Firebase or HubSpot record.
Observability
Monitoring
Track your Firebase ⇄ HubSpot sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Firebase and HubSpot.
How the Firebase and HubSpot connectors work
Firebase
- Integration surface
- REST and gRPC APIs, typically accessed through the Firebase Admin SDK
- Authentication
- Google service account credentials (IAM) for server-side access; Firebase Auth tokens for client contexts
- Change detection
- Real-time snapshot listeners on Firestore queries and Cloud Functions triggers on document changes
- Capabilities
- read · write
- Rate limits
- Subject to Firestore's documented operation quotas and per-document write throughput limits
HubSpot
- Integration surface
- REST API (CRM v3)
- Authentication
- OAuth (choose HubSpot account and authorize Stacksync); requires a HubSpot 'Super Admin' to grant access; optional "Grant access to sensitive fields" checkbox for sensitive/highly sensitive fields
- Change detection
- Records: incremental near-real-time change tracking. Associations: HubSpot has no native association CDC
- Capabilities
- read · write · CDC · webhooks
- Rate limits
- Request limits vary by subscription tier and API type.
How it works
How to connect Firebase to HubSpot — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate Firebase and HubSpot with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Firebase
connected
HubSpot
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Firebase and HubSpot objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · Firebase ⇄ HubSpotCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Firebase HubSpotCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Firebase and HubSpot integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Firebase and HubSpot: authenticate both systems, choose the objects to sync (such as Firebase's Realtime Database Nodes and Authentication Users), map fields visually, and changes propagate both ways in milliseconds — no code required.
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On the HubSpot side: Owner, Pipeline, Stages, Audit, plus custom fields where HubSpot exposes them. On the Firebase side: Firestore Documents, Subcollections, Realtime Database Nodes, Authentication Users. Stacksync auto-detects both schemas and converts types between the two systems.
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Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
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Common patterns for Firebase and HubSpot: Product events onto CRM records; Internal tools without API code; Trigger workflows from CRM changes. Signup, usage, or lifecycle changes written to Firebase sync onto the matching records in HubSpot, giving go-to-market teams live product context.
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Firebase: REST and gRPC APIs, typically accessed through the Firebase Admin SDK. Authentication: Google service account credentials (IAM) for server-side access; Firebase Auth tokens for client contexts. HubSpot: REST API (CRM v3). Authentication: OAuth (choose HubSpot account and authorize Stacksync); requires a HubSpot 'Super Admin' to grant access; optional "Grant access to sensitive fields" checkbox for sensitive/highly sensitive fields. Stacksync manages authentication, retries, and rate limits on both sides.
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HubSpot: All CRM objects share a single property-based schema model, and relationships are expressed as typed associations rather than foreign keys, so syncs replicate associations explicitly. Firebase: Snapshot listeners deliver document changes to connected clients in real time, which is the platform's native change-notification mechanism. Stacksync's field mapping accounts for these differences between Firebase and HubSpot without custom code.
SECURITY
Security teams love Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for Firebase and HubSpot.
Popular · 8 of 386
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Firebase ⇄ Creatio CRM -
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HubSpot ⇄ VoltDB -
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HubSpot ⇄ PostgreSQL -
HubSpot ⇄ Amazon RDS
No integrations match .
