Building on Your CRM

Don’t waste eng time on two-way sync

Whalesync integrates Postgres with your CRM in minutes. Build internal tools on top of your CRM without using up your eng roadmap.

CRM
Database

Trusted by engineers who work smarter

Vanta
Series C
$350M
Webflow
Series C
$330M
Descript
Series C
$100M
Close
Deepgram
Series B
$72M
Gorgias
Series C
$30M
Givebutter
Series A
$50M
Clay
Series B
$86M
Fiddler
Series B
$65M
Wrapbook
Series B
$100M
Why Whalesync

Reliable integration, coding optional

Connect HubSpot and Postgres in minutes with the integration tool built for two-way sync.

Less maintenance time

Stop wasting time maintaining brittle one-way automations.

True two-way sync

Go beyond two one-way syncs with real bi-directional updates.

Foreign keys handled

Let Whalesync handle your foreign keys with ease.

Connectors

A better way to build internal tools

Live

HubSpot

CRM

HubSpot is a leading CRM platform for marketing, sales, and service. Whalesync two-way syncs its contacts and deals with Airtable, Notion, and more.

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Live

Postgres

Database

Postgres is an advanced, enterprise-grade open-source relational database. Whalesync two-way syncs its tables with Airtable, Notion, and Webflow.

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Build enterprise-grade integrations

How it works

Start syncing in minutes

We built Whalesync specifically to help operators sync data, so all you have to do is connect your apps, map your data, and turn sync on.

1

Choose apps

Choose the apps you want to sync from our growing library of connectors.

HubSpot
HubSpot
2

Map fields

Select the tables and fields that map together to fit your workflow.

HubSpot
Postgres
3

Start syncing data

Turn syncing on and watch your data instantly update across your apps.

HubSpot x Postgres
HubSpot
HubSpot
HubSpot
Postgres
HubSpot x Postgres
Security + Scale

Built for Enterprise

Sync your data with top-grade security, dedicated support, and SSO.

Whalesync Enterprise

Security

Enterprise-grade data safety with SOC 2 Type II, GDPR compliance, and encryption at rest monitored by Vanta.

Scale with support

Easily manage issues at scale, while knowing you have a dedicated account manager on stand by to support.

Blog

Keep going with this post on the Deep Dive

Whalesync is now in the HubSpot App Marketplace

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The Deep Dive Blog
All posts
Jul 7, 2026

Announcing Whalesync in the HubSpot App Marketplace

Title card reading 'HubSpot Partner' with a screenshot of the Whalesync HubSpot listing
Read post
more use cases

Level up your operations

Building Internal Tools

Stop coding internal tools from scratch. Whalesync two-way syncs Airtable with Postgres so your team builds internal tools without touching the roadmap.

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It’s time to free up your roadmap

Build internal tools on live CRM data without spending engineering cycles on sync.