HubSpot Developer Changelog (27)

Blog V3 APIs for Author, Posts, and Tags now available in Developer Preview

Announced: September 8, 2020

We are excited to announce the release of our V3 Blog APIs for Authors, Posts, and Tags to developer preview (open beta). This new Blog V3 API is more consistent and developer-friendly.

Accounting Extensions Available in Public Beta

Announced: September 3, 2020

We've released our new Accounting Extension API in to public beta. This API makes it easier for users to connect their accounting system to HubSpot. As always with public beta, we're releasing this new to get public feedback. It is not intended for...

Upcoming: Timeline API Maintenance

Announced: September 2, 2020

The Timeline API will be undergoing maintenance between 2:00 PM and 2:30 PM Eastern Time Thursday, September 3. During this maintenance period, there will be a brief period where the Timeline API will be unavailable, and any requests to the API will...

Adding a new required parameter to crm_associations HubL Function

Announced: August 27, 2020

The crm_associations HubL Function is being updated and we are adding a new required parameter for the “association category” to the function.

The contentType header for JavaScript and HTML in the Files tool is changing

Live: August 17, 2020

The contentType header for JavaScript and HTML served from the default HubSpot File Manager CDN is changing.

Module fields can be nested 4 levels deep, and new require_head tag

Live: August 12, 2020

You are now able to create modules that have fields that have 4 levels of depth. This is an increase from the previous 3 levels. Developers can now provide content creators easier interfaces by using more nested field groups. We're also adding a new...

HubDB v3 & Visitor ID APIs Available in Public Beta, Timeline v3 API in GA

Announced: August 6, 2020

Today we’re excited to bring you three updates: First, we’re releasing our HubDB API v3 into public beta, part of our ongoing effort to improve the consistency and completeness of our developer APIs. Next, we’re also releasing our Visitor...

Sunsetting “Recommended” Option in Post Listing Module

Announced: August 5, 2020

When choosing to display a list of posts, either in the sidebar of the blog or on additional inner pages of your site, the Post Listing Module offers many options in which you can list blog posts. Starting August 19th, 2020, the “Recommended” option...

Filters will no longer be returned from the Lists API

Announced: July 20, 2020

UPDATE: After hearing feedback from you, our community of developers, there were some use cases we hadn’t taken into account. In order to make sure we can thoughtfully consider our approach to the List filter migration we are going to pause the...

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...

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...

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...

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