HubSpot Developer Changelog

April 2023 Rollup

Live: May 1, 2023

April showers bring new HubSpot powers. Better validation for multi-currency accounts, GraphQL available in more Hubs, new phone property type, improved and consolidated UIs, session timeout control for private content, and import tool improvements.

Bug fix: Contact Properties updated to indicate they do not force uniqueness

Live: April 12, 2023

We discovered that it was possible using the API to include hasUniqueValue=true in a Contact property's definition. Currently HubSpot doesn't support unique properties in Contacts. So despite the value showing as true, it was ignored and not...

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...

CDN path for static assets (CSS & JavaScript) changing

Live: February 12, 2025

We're updating the paths for design manager assets, including CSS and JS files. The paths will change from hs-fs/hub/* to hs-fs/hubfs/*.

Breaking Change: Large Export Partitioning and Association Limits for the CRM Export API

Live: April 28, 2025

On April 28th, 2025, we will be updating the CRM Exports API to bring it closer to feature parity with the in-app export tool as well as improve the overall performance of the API allowing for quicker file delivery. Exports that exceed one million...

Breaking Change for DateTime Properties in Marketing Emails

Live: April 16, 2025

Starting April 16th, 2025, any DateTime properties in your HubSpot CRM used as personalization tokens in Marketing Emails will now include both the date and time stored in the property rather than just the date.

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...

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.

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...