HubSpot Developer Changelog (4)

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...

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...

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...

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.

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...

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...

Marketing Email API: v3 released to general availability and upcoming sunset for v1

Live: October 1, 2025

Today we're announcing changes for the two versions of the Marketing Emails API.

Update for Legacy CTA Editor Sunset

Live: November 30, 2025

We have an essential update on the scope and timeline of a previously announced Legacy CTA sunset. Starting September 1st, 2025, all new CTAs must be created using the new CTA editor. Existing Legacy CTAs that have already been created will continue...

Upcoming Sunset of Clearbit’s Free Logo API

Live: December 1, 2025

In December 2023, Clearbit was acquired by HubSpot, marking the beginning of an exciting new chapter for both companies. Since then, the Clearbit team has fully integrated into HubSpot, combining our expertise with HubSpot’s resources to better...

Upcoming Sunset: HubSpot Academy CMS for Developers Certification

Live: May 30, 2025

What’s changing Starting on May 30, 2025, the HubSpot CMS for Developers Certification will no longer be available. The content of this course has been updated over the years but has hit a point that significant revisions are needed to to keep up...

Breaking Change: HubL Function Limits for Marketing Emails

Live: May 28, 2025

Beginning on May 28, 2025, we are enforcing the CMS HubL function limits for all customers using the following functions in their Marketing Emails, per our Software Products, Packaging, and Limits policies.

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: November 10, 2025

Starting November 10th, 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...

Upcoming Sunset: Growth default theme for the HubSpot CMS

Live: May 14, 2025

Note: This post has been updated to reflect an updated sunset date of March 28. The original date for this was March 15. What’s changing Starting on May 14, 2025, the default CMS Growth theme will no longer be available for new HubSpot portals....

Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: November 10, 2025

Starting November 10, 2025, HubSpot will introduce enhanced validation rules for non-string property values, including enumeration and multi-value enumeration submitted via the CRMObject APIs. This change aims to improve data integrity and user...

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Live: June 4, 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...

Update: Legacy CTA Sunset

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog. Based on community feedback, we have updated our approach to transitioning from...

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 CTA Sunset Timeline and Scope Update

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog.

Upcoming Sunset: Legacy CTAs

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog. We are sunsetting the Legacy CTAs (Call-To-Action) app and migrating it into a...

Developer References

Developer Community

App Ecosystem New

Template Marketplace

App Partner Program

Latest Posts

App Cards for Private Apps Now Available Across All Enterprise Tiers

Sunset of JWT SSO Setup for Private Content

Marketing Events API Update

App Marketplace Recategorization

October 2024 Rollup

Breaking Change: Upcoming Change to Scope Requirements for App Cards in Private Apps

App Marketplace Listing Process Validation

Enhanced Creations and Associations of Lists with Marketing Events via API

Public Beta: Automatic Deactivation of Exposed Tokens

Marketing Email API: v3 released to general availability and upcoming sunset for v1

Update for Legacy CTA Editor Sunset

Upcoming Sunset of Clearbit’s Free Logo API

Upcoming Sunset: HubSpot Academy CMS for Developers Certification

Breaking Change: HubL Function Limits for Marketing Emails

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Upcoming Sunset: Growth default theme for the HubSpot CMS

Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API

Legacy CTA Sunset Timeline and Scope Update

Upcoming Sunset: Legacy CTAs