HubSpot Developer Changelog

Now Available: Ability to add custom HTML to the head section of individual blog posts

Announced: July 17, 2020

What's happening? Customers using Marketing Hub Professional/Enterprise and CMS Hub Professional/Enterprise now have the ability to custom HTML (tracking scripts, structured data markup, meta tags, etc.) into the section of their individual blog...

Starting 8/18/2020 the Asset Marketplace will no longer be accepting New Drag and Drop Templates and Template Packs

Announced: July 15, 2020

Drag and Drop Templates were HubSpot’s original way of allowing users to build website and landing page templates on the HubSpot Platform. Over the years, we have introduced more sophisticated ways for developers to build sites on our CMS Hub that...

Asset Marketplace: Removal of Stale Asset Listings

Announced: July 14, 2020

Similar to other marketplaces, there comes a time when listings may become stale causing the marketplace to become an unbalanced resource of assets that are no longer relevant to customers' needs and wants.

Now Available: Inline Help Text for Fields and Modules

Announced: July 9, 2020

When creating modules for use by content editors, oftentimes there is a need to provide simple instructions as to the intended use of a field or module, limits to the field or module, or even just some general knowledge about why the field or module...

Rich Text Editor Toolbars can now be configured to show certain features

Announced: July 9, 2020

Rich Text editors (often referred to as WYSIWYG editors) allow content creators to quickly markup/style content with easy to use buttons for things such as changing font size, bolding text, and inserting links or images. This freedom to markup/style...

New Resource: Ruby Example App

Announced: December 3, 2019

What’s happening HubSpot has released a new example using the Ruby language. This example includes the following:

New Functionality: PATCH Method for updating CRM Object Properties

Announced: October 7, 2019

What’s happening? We are adding the availability of a PATCH Method for use when updating the CRM Object Properties. This will allow for updating ONLY the fields that are included with the PATCH request. Any omitted fields will not be updated and...

Sunset of JWT SSO Setup for Private Content

Live: January 29, 2025

What's Changing? On January 29th, 2025 we are deprecating the ability to set up Single Sign-On (SSO) for JWT-based applications. Moving forward, we will be replacing this functionality with the OpenID Connect (OIDC) standard1. If you are already...

Breaking Change: Upcoming Change to Scope Requirements for App Cards in Private Apps

Live: December 1, 2024

As part of our ongoing efforts to enhance security within the HubSpot ecosystem, we will update the scope requirements for app cards in private apps on December 1st, 2024.

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Live: April 29, 2025

We are removing the undocumented support for requesting custom object types by their base name (GET/crm/v3/objects/{baseName}) in HubSpot public APIs. All custom object types must be referenced by their unique identifier (object type ID, fully...

Public Beta: Automatic Deactivation of Exposed Tokens

Live: April 7, 2025

To enhance the security of our platform and protect our customers, we are introducing an automatic token deactivation public beta feature on October 8th, 2024, for any HubSpot tokens publicly exposed in GitHub repositories. This update is designed...

Updated Merge Functionality for CRM Objects (including Contacts and Companies)

Live: January 14, 2025

Note: This changelog supersedes a prior version published on July 22, 2024. Due to customer feedback and confusion regarding the scope of changes, we have updated and clarified the details in this new changelog. Please review the updated information...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: January 6, 2025

HubSpot is introducing a new limit on the number of IDs that can be supplied to the Batch Read endpoint for (/{fromObjectType}/{toObjectType}/batch/read) both the v3 and v4 public Associations API.

Updated merge functionality for contacts and companies

Live: January 14, 2025

Note: This changelog has been superseded by an updated version published on October 2, 2024. Please refer to the new changelog for the most accurate and up-to-date information regarding merge functionality for contacts, companies, and other CRM...

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: January 6, 2025

Starting January 6, 2025, HubSpot will implement enhanced validations for non-string property values, including enumeration and multi-value enumeration property values submitted via the CRMObject APIs. This change aims to improve data integrity and...

Update: Legacy CTA Sunset

Live: March 31, 2025

Based on community feedback, we have updated our approach to transitioning from Legacy CTAs to the new CTA editor in HubSpot. In Q1 2025, new CTAs cannot be created by the Legacy CTA editor. Below are more details explaining the plan and changes to...

Upcoming Sunset: V1 Contact Lists API

Live: May 30, 2025

What’s changing? The V1 Contact Lists API will sunset on May 30th, 2025. After this date, calls made to the v1 endpoints will no longer function. We're sunsetting the V1 Contact Lists API to focus our development efforts on the improved V3 Lists...

Legacy v1 Integration Timeline API Update

Live: December 2, 2024

We are making an important update to ensure our platform remains cutting-edge and to facilitate the introduction of new features. Starting December 2, 2024, the legacy v1 Integration Timeline API will no longer support mutations of Timeline Events....

Legacy CTA Sunset Timeline and Scope Update

Live: December 31, 2024

Previous Sunset Start: April 30, 2024