HubSpot Developer Changelog

Enhanced Creations and Associations of Lists with Marketing Events via API

Announced: October 11, 2024

HubSpot is excited to introduce new API endpoints to associate contact lists with marketing events seamlessly. This functionality is particularly valuable for app developers who create marketing solutions on HubSpot’s marketplace, facilitating...

Public Beta: Introducing Developer Permission Set and Role-Based Developer Permission Template

Announced: October 1, 2024

We're excited to announce two powerful new features for all subscription tiers designed to help admins manage developer access to HubSpot's CRM development tools more efficiently: the Developer Permission Set and the new Developer Role-Based...

September 2024 Rollup

Announced: September 30, 2024

Following up on all of the new features announced at Inbound, we have a few more new features for Developers. September brings updates to the upsert API for contacts, an updated version of our CLI tools, a new CMS theme, knowledge base data in...

Increasing our API limits

Announced: September 23, 2024

Today we're announcing an increase to our API rate limits. These increases apply to accounts with a Professional or Enterprise subscription, the API Limit Increase capacity pack, and also includes changes to the limits for public apps and the CRM...

Opening up the HubSpot CRM Embed: Now Available for App Developers

Live: September 18, 2024

What’s happening? Previously only available for a select few integrations including Salesforce, Zoho CRM, Microsoft Dynamics 365, and NetSuite, we have opened up the HubSpot CRM Embed for use with any 3rd party integrations.

CRM Development Tools Available for Early Access to Build Public Apps with UI Extensions & More

Live: September 18, 2024

Starting September 18th, HubSpot app partners can request early access to the new development model that enables developers to build UI extensions and more with modern development tools. This model leverages UI extensions built with React, expanding...

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...

Bugfix - Incorrect validation for properties using the bool type

Live: November 18, 2024

On November 18th, we're making an update to property validation for any CRM properties using the "type": "bool". Currently, these properties are not validated correctly, making it possible to store any string value in these properties. This can...

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.

Upcoming Sunset of Legacy Pipeline Stage Calculated Properties for Contacts and Deals

Live: November 20, 2024

We have introduced a new set of pipeline stage calculated properties for the contacts and deals objects that offer more functionality than their predecessors. With the introduction of these new properties, we will be sunsetting the corresponding...

Sunset: Replacing api-catalog-public/v1/apis Endpoint

Live: November 11, 2024

Starting November 11th, 2024, we are deprecating the api-catalog-public/v1/apis endpoint, which will be replaced by the new public/api/spec/v1/specs endpoint. The new endpoint provides a different response format to support HubSpot API versioning...

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...

Defaulting hs_timestamp to Meeting Start Time in Meetings Engagement API

Live: November 12, 2024

In our continuous effort to enhance the usability and accuracy of the Meetings Engagement API, we're introducing a change to handling the hs_timestamp property for MEETING_EVENT objects starting November 12, 2024. This update aims to improve the...

Long-standing HubL Limits will now be properly enforced

Live: November 4, 2024

Starting June 10th, 2024, we will begin to enforce the CMS HubL limits for all net-new HubSpot accounts and accounts not currently exceeding the limits using the affected functions, in accordance with our Software Products, Packaging, and Limits....

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....

Advanced auth and scope settings for public apps

Live: October 21, 2024

Today we're releasing an update to the auth settings for public apps. This update will add new options for choosing the scopes used by your app. The new settings are currently optional, but they will be required beginning on October 21.

Legacy CTA Sunset Timeline and Scope Update

Live: December 31, 2024

Previous Sunset Start: April 30, 2024