HubSpot Developer Changelog

Updates on the sunsets for the Site Maps API and domain search for the Companies API

Live: June 12, 2020

What's happening? We previously announced April sunsets for our CMS Site Maps API, and for a deprecated endpoint in the Companies API to find companies by domain. However, given the current global situation, we decided to give partners, customers,...

New features released for the Chat Widget SDK

Announced: April 16, 2020

Today we're announcing three new features for the Chat Widget SDK.

Developer Updates: Calling extensions, CMS Performance API, and CMS Content Audit API.

Announced: April 9, 2020

Calling Extensions Earlier this year, we released our new calling extensions SDK into developer preview. This feature allows users to make calls through your third-party calling service using the native calling functionality built into the HubSpot...

Calling extensions is now available in Developer Preview

Announced: February 4, 2020

What's happening? Today we're releasing the new calling extensions feature to our developer preview program.

Sunset: The CMS Site Maps API is being deprecated

Live: June 12, 2020

Update: This sunset is now scheduled for June 12. See this post for details. What's happening? The Site Maps API was released when the HubSpot CMS originally launched, and at the time many settings for hosted sites (including things like the...

Sunset: The Companies API endpoint GET /companies/v2/companies/domain/:domain is being deprecated

Live: June 12, 2020

Update: This sunset is now scheduled for June 12. See this post for details. What's happening? A previously deprecated endpoint for the Companies API that searches for company records by domain name is being sunset. The path of this endpoint is:

Announcement: Two new functions for the HubSpot tracking code

Announced: November 14, 2019

Today we're announcing new features for the HubSpot tracking code that help you manage sites with dynamic content.

Announcement: Scopes will be required for apps using webhooks or CRM Extensions

Announced: November 13, 2019

Data security and privacy are very important to us here at HubSpot. Over the coming months, we'll be making updates to our app platform that will help customers better understand what data can be accessed by any apps they're connecting to their...

Announcement: New scope required to get the content of email engagements

Announced: October 24, 2019

As part of our ongoing efforts to improve transparency regarding what data connected apps have access to, we're adding a new scope that controls access to the content of email engagements.

Upcoming: Changes to error responses

Announced: October 3, 2019

In an effort to make error messages from the HubSpot APIs cleaner and easier to understand, we'll be making a few changes to the fields included in our error responses.

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 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: 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...

Final Reminder: Sunset of v2 Owners API

Live: March 24, 2025

The v2 Owners API will officially be sunset on March 24th, 2025, with no further extensions. After this date, all v2 Owners API endpoints will be fully sunset and return a 404 error response. This marks the final stage of our transition to the more...

Upcoming Sunset: Growth default theme for the HubSpot CMS

Live: March 28, 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 March 28, 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: 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...

Breaking Change for DateTime Properties in Marketing Emails

Live: April 16, 2025

Starting April 16th, 2025, any DateTime properties in your HubSpot CRM used as personalization tokens in Marketing Emails will now include both the date and time stored in the property rather than just the date.

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...

Reminder: Upcoming Sunset of v2 Owners API on August 30, 2024

Live: March 24, 2025

In February 2024, we announced the sunset of the v2 Owners API. This is a reminder that on August 30, 2024, we will be sunsetting v2 of the Owners API. To avoid disruptions, we strongly encourage users to migrate to v3 of the Owners API before this...

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...

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Latest Posts

Updates on the sunsets for the Site Maps API and domain search for the Companies API

New features released for the Chat Widget SDK

Developer Updates: Calling extensions, CMS Performance API, and CMS Content Audit API.

Calling extensions is now available in Developer Preview

Sunset: The CMS Site Maps API is being deprecated

Sunset: The Companies API endpoint GET /companies/v2/companies/domain/:domain is being deprecated

Announcement: Two new functions for the HubSpot tracking code

Announcement: Scopes will be required for apps using webhooks or CRM Extensions

Announcement: New scope required to get the content of email engagements

Upcoming: Changes to error responses

Upcoming Sunset: HubSpot Academy CMS for Developers Certification

Breaking Change: HubL Function Limits for Marketing Emails

Breaking Change for v3 Lists API Beta

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

Final Reminder: Sunset of v2 Owners API

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

Breaking Change for DateTime Properties in Marketing Emails

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

Public Beta: Automatic Deactivation of Exposed Tokens

Reminder: Upcoming Sunset of v2 Owners API on August 30, 2024

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API