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HubSpot integrations: understanding native and custom integrations

HubSpot integrations allow you to connect external platforms and systems to HubSpot so data can flow between tools in a controlled, secure and efficient way.

Integrations can reduce manual work, improve data consistency and help HubSpot fit naturally into your wider technology stack.

When planning integrations, it is important to:

  • Identify your essential systems
  • Understand what HubSpot can do natively
  • Decide when a custom integration is required
  • Define clear rules around data ownership and governance

Native HubSpot integrations

HubSpot offers out-of-the-box integrations through the HubSpot App Marketplace, covering common tools such as email, calendars, advertising platforms, collaboration tools and video conferencing.

Native integrations are generally best suited to:

  • Standard business tools
  • Faster implementation with lower maintenance
  • Requirements that can use predictable, supported synchronisation

Key considerations

  • Synchronisation logic may be predefined
  • Not every object or field may be supported
  • Permissions and access requirements still apply

Using HubSpot's native capabilities

Before introducing an additional platform and integration, consider whether HubSpot's own functionality can meet the requirement.

Depending on your HubSpot setup, built-in functionality can support areas such as:

  • Forms and lead capture
  • Marketing emails
  • Meetings and scheduling
  • Conversations and inboxes
  • Calling
  • Payments

Using native HubSpot functionality in these areas can sometimes remove the need for an external integration.

Custom integrations

Custom integrations use HubSpot APIs to connect HubSpot with bespoke or specialist systems.

These could include:

  • ERP systems
  • Finance platforms
  • Data warehouses
  • Internal or bespoke platforms

Custom integrations are generally best suited to:

  • Complex or unique requirements
  • Business-critical systems
  • Custom data flows that cannot be supported through a standard integration

Key considerations

  • Custom integrations require development and ongoing support
  • Data models need to be clearly defined
  • Monitoring and error handling are essential

Email and calendar integrations

Communication integrations can help ensure emails, meetings, messages and activity updates are visible within HubSpot and logged against CRM records.

HubSpot integrates with:

  • Google Workspace, including Gmail and Google Calendar
  • Microsoft 365 and Outlook

These integrations can support:

  • Email logging and tracking
  • Calendar synchronisation
  • Meeting scheduling
  • CRM activity history

Email and calendar connections are considered core integrations for many Sales and Service teams.

Microsoft Teams

The Microsoft Teams integration can send CRM and workflow notifications from HubSpot into Teams.

Common uses include:

  • Deal updates
  • Ticket updates
  • Workflow notifications
  • Providing internal visibility without requiring users to log into HubSpot

Slack

Slack can be integrated with HubSpot to deliver CRM updates into Slack channels or direct messages.

Common uses include:

  • New lead alerts
  • Deal stage changes
  • Ticket notifications
  • Workflow notifications

Zoom

The Zoom integration can support meetings scheduled through HubSpot and allow those meetings to be logged as activities against CRM records.

Common uses include:

  • Sales discovery calls
  • Customer success check-ins
  • Video meetings that need to be visible within the CRM

Planning your data flow

Connecting two systems is not simply a technical decision. You also need to define how data should move between them.

For each integration, consider:

  • Which system is the source of truth?
  • Should data move one way or in both directions?
  • How frequently should information synchronise?
  • How should conflicts or overwrites be handled?
  • How will the integration affect reporting?
  • How will the integration affect automation?

Poorly planned integrations can introduce data quality and compliance risks, so these decisions should be made before implementing the connection.

Security, permissions and governance

Integrations may be able to access or modify CRM data, making appropriate governance important.

Key considerations

  • Limit who can install or manage integrations
  • Review the permissions granted to connected applications
  • Audit integrations regularly
  • Ensure connected systems and data flows align with GDPR and your organisation's internal data policies

What to remember

Integrations help HubSpot work as part of your wider technology stack, but not every requirement needs an external connection.

Start by understanding whether HubSpot can meet the requirement natively. Where an integration is needed, consider whether a supported native integration is sufficient before moving towards a custom solution.

Whatever approach is used, clearly defining data ownership, synchronisation, permissions and governance will help create more reliable integrations and protect the quality of your CRM data.