HubSpot Developer Changelog

Updates to Next Activity and Last Activity Property Groups

Announced: May 27, 2025

edit 8/06/25 -- We have cancelled this change. edit 5/28/25 -- We have paused this change and will resubmit a notice at a later date From May 27 to May 30, we will be rolling out an update to the Next Activity and Last Activity groups of properties...

February 2025 Rollup

Announced: February 28, 2025

HubSpot's February 2025 developer updates include a new Tax Rates API for managing commerce tax rates, updates to the Exports API for better control and efficiency, visibility of unpublished custom workflow actions in developer test accounts, a new...

Breaking Change for v3 Lists API Beta

Live: April 28, 2025

The v3 Lists API beta currently accepts both integers and strings for the ID of public folders used for list segmentation and returns the ID as an integer. We will be updating the IDs to use only strings in order to conform to the HubSpot...

Breaking Change: Large Export Partitioning and Association Limits for the CRM Export API

Live: April 28, 2025

On April 28th, 2025, we will be updating the CRM Exports API to bring it closer to feature parity with the in-app export tool as well as improve the overall performance of the API allowing for quicker file delivery. Exports that exceed one million...

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.

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.

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...

July 2024 Rollup

Announced: July 31, 2024

It is time for July 2024 Developer Rollup. From webhooks to memberships, we have a lot going on.

Updates to Enumeration Properties in Custom Quotes and how to fetch labels and internal values

Announced: July 19, 2024

We are updating the JSON returned for custom enumeration properties to include BOTH the internal value as well as the external label. For CMS Developers, we have updated the crm_property_definition function to be available outside of gated content.

Additional details returned when generating OAuth access tokens

Live: August 18, 2025

What's changing? We're adding two additional fields to the response when generating an access token using the POST /oauth/v1/token endpoint:

Ending Support for HubSpot CLI Versions Below 6.0.0

Live: October 1, 2025

We will be officially ending support for all HubSpot CLI versions below 6.0.0. This will improve security, reliability, and compatibility with our developer platform and other developer tooling for our developer community.

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.

Deprecation of Node v18 in all serverless functions and CLI

Live: October 1, 2025

Node.js v18 will reach end of life on April 30th, 2025. To make sure HubSpot systems stay up to date on security and reliability, we will be ending support for Node.js v18 on Oct 1, 2025. After this date, any existing functions using v18 will...

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...

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...

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...

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: September 30, 2025

Edit: we have extended the sunset date from May 30, 2025 to September 30, 2025 to allow more time for migrations. The below has been updated to reflect this change. What’s changing? The V1 Contact Lists API will sunset on September 30, 2025. After...

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...

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Latest Posts

Updates to Next Activity and Last Activity Property Groups

February 2025 Rollup

Breaking Change for v3 Lists API Beta

Breaking Change: Large Export Partitioning and Association Limits for the CRM Export API

Sunset of JWT SSO Setup for Private Content

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

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

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

July 2024 Rollup

Updates to Enumeration Properties in Custom Quotes and how to fetch labels and internal values

Additional details returned when generating OAuth access tokens

Ending Support for HubSpot CLI Versions Below 6.0.0

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

Deprecation of Node v18 in all serverless functions and CLI

Update for Legacy CTA Editor Sunset

Upcoming Sunset of Clearbit’s Free Logo API

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

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

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API

Legacy CTA Sunset Timeline and Scope Update

Upcoming Sunset: Legacy CTAs