HubSpot Developer Changelog

Deprecating previousCategories in the Cookie Banner API

Live: April 3, 2023

We've discovered that in some situations the previousCategories field within the cookie banner's consent object has incorrect values. The Cookie Banner API provides consent listeners so that developers can properly handle cookies based on the user's...

Changes to Actors and Delivery Identifiers in the Conversations API

Live: April 10, 2023

The Conversations API (currently in beta) is used to read and send HubSpot conversations inbox messages. We're making 2 changes to the message recipient portion of the API response, and one of the changes may require you to make changes if your...

Deprecation of Node v12 in all serverless functions

Live: March 24, 2023

HubSpot has 3 areas where developers can build serverless functions. CMS Hub Serverless Functions, Workflow Custom Coded Actions, and Developer Projects, which is part of the CRM Development Tools beta. Node.js v12 reached it's end of life Apr 30,...

New versions of default CMS Site Search Input and Search Results modules

Live: January 10, 2023

CMS Hub has default modules that can be used when building pages and templates in the CMS. New accounts created after January 10th will have an updated version of two of these modules, Search Input, and Search Results. Existing accounts created...

GraphQL for CMS Developers is live for CMS Hub Pro and Enterprise

Live: November 18, 2022

Developers building on CMS Hub Pro or Enterprise can take advantage of GraphQL to query for, and display, their HubSpot CRM object and HubDB data on CMS pages or emails using HubL. GraphQL can also be used to power external content or integrations...

Google Fonts loaded using fields, now served from your domain

Live: October 31, 2022

Rolling out to all HubSpot customers, Google fonts loaded using theme or module fields will now serve the fonts from your domain name instead of Google's CDN. These theme fields and module fields appear in the Website Pages and Landing Pages.

Improving consistency in the term "archived" across APIs - CMS Pages, Landing Pages, and Blog post APIs updating

Live: December 5, 2022

Consistency across our APIs ensures developers know what to expect and can gain efficiency from it. We identified that the CMS APIs were using the term archived in a way that was different from the rest of the platform. We're correcting that.

New version of Divider module will be available in accounts created after August 25th

Live: August 25, 2022

CMS Hub has numerous default modules, including the divider module. The divider module was created before drag and drop areas and style fields, and as a result had a width property that coincided with the drag and drop area width property. While...

July 2022 Rollup

Live: July 29, 2022

HubSpot delivers new functionality to developers at a rapid pace. We’re always listening to and building for our customers. This velocity has allowed us to set a standard for SaaS-based development platforms. But it also means developers need to be...

Forms rendered by embed code are updating

Live: October 18, 2022

Forms rendered by the HubSpot form embed codes are updating. Two changes will be occurring. Most accounts and forms should not expect to have any issues.

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: 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: February 10, 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: April 7, 2025

Starting April 7th, 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...