The HubSpot Ecosystem Mentorship Program is open for applications ! This 9-month program pairs experienced professionals with those looking to deepen their technical skills and grow their careers within the HubSpot ecosystem.
👉 For Ment read more
This program is a great opportunity for mentors and mentees to grow within the HubSpot ecosystem. I’d love to know more about the mentor-mentee match...read more
What's changing?
The “alter list membership” action ( "actionTypeId": "0-13" ) is being split into two distinct actions: “add to list” ( actionTypeId 0-63809083 ) and “remove from list” ( actionTypeId 0-63863438 ). These new separate action types read more
What’s changing
Starting on May 30, 2025 , the HubSpot CMS for Developers Certification will no longer be available. The content of this course has been updated over the years but has hit a point that significant revisions are needed to to read more
Happy (last day of) February, devs!
It's cold here in Brooklyn, where our editor resides - but luckily, everything happening for HubSpot developers this month is keeping her toasty warm in front of her laptop! 🔥 From the return of the Hub read more
HubSpot's February 2025 developer updates include a new Tax Rates API for managing commerce tax rates, updates to the Exports API for better control and efficiency, visibility of unpublished custom workflow actions in developer test accounts, a new read more
Beginning on May 28, 2025 , we are enforcing the CMS HubL function limits for all customers using the following functions in their Marketing Emails, per our Software Products, Packaging, and Limits policies .
Affected HubL Functions:
read more
Beginning on March 5, 2025, deprecated event types will no longer be returned from the endpoint to get all event types : GET /events/v3/events/event-types
Why is this changing?
Event types get deprecated after they haven't been used f read more
The v3 Lists API beta currently accepts both integers and strings for the ID of public folders used for list segmentation and returns the ID as an integer. We will be updating the IDs to use only strings in order to conform to the HubSpot specif read more
The v2 Owners API will officially be sunset on March 24th, 2025 , with no further extensions. After this date, all v2 Owners API endpoints will be fully sunset and return a 404 error response. This marks the final stage of our transition to the mor read more
The HubSpot Ecosystem Mentorship Program is open for applications ! This 9-month program pairs experienced professionals with those looking to deepen their technical skills and grow their careers within the HubSpot ecosystem.
👉 For Ment read more
This program is a great opportunity for mentors and mentees to grow within the HubSpot ecosystem. I’d love to know more about the mentor-mentee match...read more
Note: This post has been updated to reflect an updated sunset date of March 28 . The original date for this was March 15 .
What’s changing
Starting on March 28, 2025 , the default CMS Growth theme will no longer be available for read more
Starting November 10, 2025 , HubSpot will introduce enhanced validation rules for non-string property values, including enumeration and multi-value enumeration submitted via the CRMObject APIs. This change aims to improve data integrity and user ex read more
Announced: January 29, 2025 on the Developer Changelog (This post is for reference — if there are any differences between this version, the changelog is the source of truth)
Our January update includes enhanced App Usage Insights with read more
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