HubSpot Developer Changelog

App Cards for Private Apps Now Available Across All Enterprise Tiers

Announced: November 15, 2024

HubSpot is expanding access to private app cards, a powerful UI extension that enables businesses to embed custom tools and insights directly within HubSpot interfaces. Previously, private apps with app cards were only available to Sales Hub and...

Marketing Events API Update

Announced: November 13, 2024

We are excited to announce, starting on November 13th, an update to the Marketing Events API that addresses existing limitations and significantly enhances event management and data analysis capabilities for app developers. This update enables...

App Marketplace Recategorization

Announced: November 13, 2024

Starting on November 13th, we are introducing changes to the structure and categorization of the HubSpot App Marketplace. This update reflects HubSpot's evolution from a hub-centric platform to a comprehensive CRM solution. The goal is to align the...

October 2024 Rollup

Announced: November 4, 2024

Our October update brings you information on the new Developer Feedback form, expanded functionality to the Custom Event Creation API, a new CLI update, along with public beta updates for UIE, the Campaigns API, a new Delete Endpoint for the Custom...

App Marketplace Listing Process Validation

Live: October 31, 2024

Beginning on October 31, we'll be updating our App Marketplace listing process to include more validation for specific fields. These fields are already required for listing and can be found in our App Marketplace listing requirements, but they will...

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...

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...

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....

Legacy CTA Sunset Timeline and Scope Update

Live: December 31, 2024

Previous Sunset Start: April 30, 2024