HubSpot Developer Changelog

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...

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...

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...

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...

New beta form editor and developer functionality

Announced: September 3, 2024

We've recently released a beta version of a new form editor tool. The new editor has several new features for HubSpot users building forms and embedding them onto the HubSpot CMS and external pages

New Leads API released

Announced: August 20, 2024

Today we're announcing the release of the Leads API, which can be used to manage lead records in HubSpot. Leads are part of the CRM Object API, and will function APIs for other CRM object types.

Public App Reauthorization and Advanced Scope Settings

Live: August 26, 2024

Note: This change is related to the recently announced advanced scope settings.

New Beta Version of the Automation API released

Announced: June 10, 2024

Today we're releasing a new version of the Automation API into public beta. This new API includes updated support for all current workflows functionality, and also brings the API up to our modern API design standards.

XSS Sanitization for CRM properties containing HTML

Announced: April 25, 2024

Beginning on July 29th, updates to rich text CRM properties will have any HTML sanitized before the value is stored in HubSpot.

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