What This Update Actually Is
HubSpot shipped subscription event data as a first-class data source inside the Custom Report Builder. It's available now for Marketing Hub Professional and Enterprise portals.
Before this update, subscription events lived only in contact records and raw export files. There was no native way to visualize trends, compare sources, or slice status changes across time inside HubSpot's reporting layer.
Now you can select Communication Subscriptions as the primary data source in Custom Report Builder, join it with Contacts, Companies, or other objects, and report on these new data points:
- Brand
- Email address
- Phone number
- Source of the opt change
- Subscription status
- Communication Channel Consent Updates (opt out all)
- Subscription type
- Timestamp
- User who triggered the change
One important caveat: this data source covers individual subscription type events and unsubscribe-all actions only. It doesn't cover broader contact engagement metrics or email send data in this same report.
Why HubSpot Shipped This
The external problem is real. Most marketing teams have no clear picture of why their list is shrinking or growing. They see open rates drop, but they can't connect that trend to a specific source, a subscription type, or a time window.
The internal frustration runs deeper. Humans running email programs in HubSpot have been piecing this data together from contact exports, filtering manually in spreadsheets, and guessing at the story. That's slow, error-prone, and hard to defend in a stakeholder meeting.
HubSpot shipped this to close that gap. Subscription health is core to email deliverability and ROI, and it needed to be a first-class metric, not a side project.
How to Use It Step by Step
You don't need to configure anything before you start. The data source is live in your portal now if you're on Marketing Hub Professional or Enterprise.
- Navigate to Reports in your HubSpot portal, then select Custom Report Builder.
- Click "Create report" and choose your data sources. Select Communication Subscriptions as the primary source. Add Contacts or Companies if you want to join contact-level or company-level properties.
- Want a head start? Open the report template library and filter by Marketing, then look for "Communication subscriptions." Pre-built templates are ready to customize.
- Build a status change trend report: set the X-axis to Timestamp, the Y-axis to Count of Communication Subscription Status updates, and break down by Subscription Status. This shows you opt changes over time by status type.
- Build a source breakdown report: set the X-axis to Source of change, the Y-axis to Count of Communication Subscription Status updates, break down by Subscription Status, and add an event filter for the last 31 days. This surfaces which sources are driving the most unsubscribes.
- Save the reports to a dashboard and share it with your marketing leadership or stakeholders before your next review call.
What It Touches in Your HubSpot Strategy
This update touches more than reporting. It ripples into how you manage email strategy, deliverability health, and list quality across your whole marketing motion.
On the email deliverability side, unsubscribe trends are a leading indicator of inbox placement problems. If opt-outs spike after a particular send or from a specific source, you now have the data to act before your sender reputation takes a hit.
On the automation and workflow side, these reports can inform re-engagement campaign triggers. If you see a spike in opt-outs tied to a specific subscription type, you can adjust the send cadence or content strategy for that type before you lose more of your list.
Key Takeaway
Subscription event data in reports turns a reactive "we lost subscribers" conversation into a proactive "here's exactly where and why" conversation. That shift alone is worth the five minutes it takes to build the first report.
On the RevOps and ROI side, this data belongs in your marketing performance dashboard. Proving that list growth or list health correlates with pipeline is a story stakeholders want to hear. This gives you the numbers to tell it.
If your team is newer to connecting email strategy with business outcomes, the broader principles in our B2B email marketing guide for 2026 give useful context for building reporting that actually maps to revenue.
Key Takeaway
Pair the source breakdown report with your automation enrollment data. When you know which source drives the most opt-outs, you can isolate the workflow, form, or campaign responsible and fix it fast.
A note on scope: this data source is limited to communication subscription events. It doesn't replace your email performance reports or contact lifecycle dashboards. Think of it as the missing layer underneath those tools, not a replacement for them.
Who Should Care Most
This update is most valuable for three groups of humans:
- Email marketing managers on Marketing Hub Professional or Enterprise who own list health and need to report on subscription trends without building a manual process each month.
- Marketing ops and RevOps leads who are building performance dashboards for leadership and need subscription data as a core metric alongside pipeline and revenue.
- Agency and consultant teams managing multiple portals who need a repeatable reporting structure they can deploy across clients without custom integrations.
If you're on Marketing Hub Starter or Free, this feature isn't available to you yet. The Custom Report Builder data source for Communication Subscriptions is gated to Professional and Enterprise tiers only.
Companies sending high-volume email, managing multiple subscription types (newsletters, product updates, promotional), or operating in regulated industries where consent tracking matters most will get the fastest return from building these reports.
George's Take
I've sat inside a lot of HubSpot portals where subscription health was essentially a blind spot. Humans knew their list size was shifting, but they couldn't tell you why, which source was the problem, or which subscription type was hemorrhaging opt-outs. That gap forced teams to make gut-call decisions about email strategy when they should've been making data-driven ones. This update doesn't just add a report. It closes a visibility gap that's been costing marketers credibility in stakeholder conversations for years. Build the source breakdown report first. It's the fastest way to find a problem you didn't know you had.
“Subscription health isn't a vanity metric. It's a leading indicator of deliverability, trust, and revenue. Now you can actually see it in HubSpot without building a spreadsheet monster every month.”
If you want help building a subscription reporting framework that connects email health to pipeline and revenue, we're ready to help. See how Sidekick's Marketing Hub services work or book a strategy call and we'll walk through your portal together.
Frequently Asked Questions
What is HubSpot's subscription event data in the Report Builder?
It's a new native data source called Communication Subscriptions inside HubSpot's Custom Report Builder. It lets Marketing Hub Professional and Enterprise users build reports tracking opt-ins, opt-outs, subscription status changes, and the sources driving those changes, with fields including timestamp, subscription type, source, and user.
Who has access to subscription event reporting in HubSpot?
This feature is available to Marketing Hub Professional and Marketing Hub Enterprise users only. It's not available on Marketing Hub Starter or Free tiers. Access is through the Custom Report Builder using Communication Subscriptions as the primary data source.
How do I build a subscription unsubscribe source report in HubSpot?
In Custom Report Builder, select Communication Subscriptions as your primary data source. Set the X-axis to Source of change, the Y-axis to Count of Communication Subscription Status updates, break down by Subscription Status, and apply an event filter for the last 31 days. This surfaces which sources drive the most unsubscribes.
Can I track email opt-outs over time in HubSpot natively?
Yes, as of May 2026. Use Communication Subscriptions in Custom Report Builder. Set the X-axis to Timestamp and the Y-axis to Count of Communication Subscription Status updates, broken down by Subscription Status. This produces a monthly trend view of opt changes across all subscription types.
Does HubSpot's subscription event data include all email metrics?
No. The Communication Subscriptions data source covers individual subscription type events and unsubscribe-all actions only. It doesn't include email open rates, click rates, or send-level performance data. Use it alongside your existing email performance reports, not instead of them.
Where do I find the subscription reporting templates in HubSpot?
Go to Custom Report Builder, open the report template library, and filter the data source by Marketing, then look for "Communication subscriptions." HubSpot provides pre-built templates you can customize for status change trends and source breakdowns without starting from scratch.
