Real-time
Two-way sync
Changes in HubSpot or Supabase instantly reflect in both systems. No stale data, no manual imports.
CRM ⇄ Database
HubSpot to Supabase integration — real-time, two-way sync
Keep HubSpot and Supabase 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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Why teams connect HubSpot and Supabase
Treat HubSpot like part of your database: its records live in Supabase 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 Supabase, where it can be queried and joined like everything else.
Stacksync mirrors Goal, Owner, Pipeline, Stages from HubSpot into Views, Schemas, auth.users, Row Level Security Policies in Supabase 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
- Push product signup and usage events into HubSpot contact properties to drive lifecycle marketing segmentation.
- Write warehouse-computed lead and account scores back to HubSpot properties on a schedule or in near real time.
- Mirror billing and subscription records into Supabase tables the application can join directly
- Reflect auth.users state into support and CRM systems so teams see account status without querying the database
Query the CRM like a database
Accounts, contacts, and custom objects from HubSpot become tables in Supabase you can join with application data directly.
Product events onto CRM records
Signup, usage, or lifecycle changes written to Supabase 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.
What you can sync between HubSpot and Supabase
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.
| HubSpot objects | Supabase objects | |
|---|---|---|
| Stages Synced with incremental and full sync per the Stacksync docs. | auth.users Managed authentication users, often mirrored into CRM or support systems. | |
| Audit Synced with incremental and full sync per the Stacksync docs. | Row Level Security Policies Row-level access rules that govern what the REST layer exposes. | |
| Contact Synced with incremental and full sync per the Stacksync docs. | JSONB Columns Semi-structured payloads such as event properties or nested objects. | |
| Company Synced with incremental and full sync per the Stacksync docs. | Database Functions Postgres functions that can transform or validate synced rows. | |
| Deal Synced with incremental and full sync per the Stacksync docs. | Storage Object Metadata File metadata rows that can be joined to synced application data. | |
| Line Item Synced with incremental and full sync per the Stacksync docs. | Tables Standard Postgres tables; the primary two-way sync target. |
What ships with HubSpot ⇄ Supabase
Connect HubSpot and Supabase for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every HubSpot–Supabase connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever HubSpot or Supabase 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 HubSpot or Supabase record.
Observability
Monitoring
Track your HubSpot ⇄ Supabase sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between HubSpot and Supabase.
How the HubSpot and Supabase connectors work
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.
Supabase
- Integration surface
- Direct PostgreSQL wire protocol connection, plus an auto-generated REST API (PostgREST)
- Authentication
- Database credentials (connection string) for SQL access; API keys (anon / service role) for the REST layer
- Change detection
- Log-based CDC via Postgres logical replication, the same WAL feed that powers Supabase Realtime; database webhooks can also fire on row changes
- Capabilities
- read · write · CDC · webhooks
- Rate limits
- SQL access is bounded by connection limits (pooled connections are provided); the REST layer is subject to the platform's limits
How it works
How to connect HubSpot to Supabase — 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 HubSpot and Supabase with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
HubSpot
connected
Supabase
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the HubSpot and Supabase 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 · HubSpot ⇄ SupabaseCustomers 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.
HubSpot SupabaseCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
HubSpot and Supabase integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between HubSpot and Supabase: authenticate both systems, choose the objects to sync (such as HubSpot's Stages and Audit), map fields visually, and changes propagate both ways in milliseconds — no code required.
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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 HubSpot and Supabase: Query the CRM like a database; Product events onto CRM records; Internal tools without API code. Accounts, contacts, and custom objects from HubSpot become tables in Supabase you can join with application data directly.
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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. Supabase: Direct PostgreSQL wire protocol connection, plus an auto-generated REST API (PostgREST). Authentication: Database credentials (connection string) for SQL access; API keys (anon / service role) for the REST layer. Stacksync manages authentication, retries, and rate limits on both sides.
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HubSpot: CDC Boost requires manually creating rollup calculation properties in HubSpot per association table (the unlabeled _label_none rollup is mandatory) and a sync restart to activate. Supabase: PostgREST auto-generates a REST endpoint per table, with Row Level Security policies gating access at the row level. Stacksync's field mapping accounts for these differences between HubSpot and Supabase without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means HubSpot and Supabase records are not retained after a sync operation.
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:
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