HubSpot Developer Changelog (9)

Increasing the size of contact record IDs

Announced: December 7, 2023

Beginning in March 2024, we'll be updating the system that generates contact record IDs. This will affect the id for the v3 Contacts API, the vid for the legacy Contacts API, and the hs_object_id property returned with either API.

Local Module Development: “host_template_types” property is being replaced with “content_types”

Announced: December 4, 2023

What’s Changing and why? The host_template_types array property for modules is being replaced with the content_types array property. The new content_types property is more robust and will allow for greater specificity regarding where modules can be...

November 2023 Rollup

Announced: November 30, 2023

Developer Updates for November 2023 Raised limits for programmable emails We've increased limits by 5X. Now when you use CRM functions (crm_associations, crm_object, crm_objects) in these type of emails, you'll be able to send them with the...

Developer Projects Platform Version 2023.2

Live: November 21, 2023

If you're using HubSpot Developer Projects - currently used for building UI Extensions and for the CMS React Beta we're introducing a new project version. To get the updates you'll need to update the platform version in your project config file.

Updates to the New Lists API Beta

Live: September 21, 2023

What’s Changing? As mentioned in the original changelog post, the Lists beta was separated into two phases. As of November 20th, 2023, release 2 has been made available for you to explore. With this release, developers are now able to create and...

New Recordings & Transcripts API replaces hs_call_recording_url for call engagements

Live: September 30, 2024

We're releasing a new Recordings & Transcripts API for securely sending call recordings to HubSpot using an authenticated URL. The new API replaces the hs_call_recording_url property for call engagements.

Enhanced Handling of Semicolon-Delimited Property Values

Announced: November 8, 2023

Edit: In response to some customer feedback, we’ll be looking at enabling this feature via a setting instead of opting everybody into this by default and are removing the February 6, 2024 deadline and replacing with 1st half of 2024. What’s...

New limit for Dynamic Pages

Live: November 1, 2023

CMS Hub enables you to dynamically generate pages based on HubDB row or CRM object data. We're introducing a new limit to the number of CMS pages that can use the same dynamic page data source. Users will only be able to select the same source - a...

October 2023 Rollup

Announced: October 31, 2023

October brings us webhooks for private apps, multiple updates to the HubSpot CMS, and updates for UI Extensions using React.

Upcoming Sunset: HubDB v1 API, HubDB v2 API, and HubDB JavaScript Client

Live: January 31, 2024

On Jan 31, 2024, we will be sunsetting the following items in relation to HubDB:

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...