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Our customers are not being synced into Intercom from Hubspot

  • January 19, 2023
  • 2 replies
  • 287 views
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We use Hubspot as our CRM and we have integrated it with Intercom in order to sync our customer data. In Hubspot it appears that the sync is on, but our customers are not being synced into Intercom as users. Any tips for getting this set up? Thanks!

Best answer by Ignacio Malpartida

Hey @Sylvia Racheal Ignacio from the Stacksync team here. 

Adding a 2026 perspective to this thread. You're right that the native integration is pretty limited. It's mostly one-way (Intercom > HubSpot). The HubSpot Data Sync app can technically go both ways, but it's notoriously finicky and their support isn't great for edge cases

A few things to check:

  • Make sure your HubSpot contacts have email addresses (required for the sync to match)
  • Check if there's a filter set up that's excluding certain contacts
  • Look at the sync history in HubSpot's Data Sync settings for specific errors

Or if you want a more modern approach I suggest this architecture:



Full disclosure - At Stacksync which handles exactly this kind of two-way CRM sync. Happy to help troubleshoot if you're still stuck, just DM me! (ignacio@stacksync.com)
 

    2 replies

    Racheal
    Intercom Team
    Forum|alt.badge.img+5
    • RachealIntercom Team
    • Customer Support Engineer
    • January 21, 2023

    Hey @Sylvia Racheal from the support engineer team here👋 

     

    The native Intercom Hubspot integration only syncs data from Intercom to Hubspot, more on that here! It sounds like you may be looking at the Data Sync by Hubspot app. The Data Sync by HubSpot integration wasn't actually built by us, it was built by HubSpot themselves. Because of this, we wouldn't have any insight into that sync not coming through. The best route here would be to reach out to Hubspot support about this question!

      Ignacio Malpartida

      Hey @Sylvia Racheal Ignacio from the Stacksync team here. 

      Adding a 2026 perspective to this thread. You're right that the native integration is pretty limited. It's mostly one-way (Intercom > HubSpot). The HubSpot Data Sync app can technically go both ways, but it's notoriously finicky and their support isn't great for edge cases

      A few things to check:

      • Make sure your HubSpot contacts have email addresses (required for the sync to match)
      • Check if there's a filter set up that's excluding certain contacts
      • Look at the sync history in HubSpot's Data Sync settings for specific errors

      Or if you want a more modern approach I suggest this architecture:



      Full disclosure - At Stacksync which handles exactly this kind of two-way CRM sync. Happy to help troubleshoot if you're still stuck, just DM me! (ignacio@stacksync.com)
       

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