HubSpot Developer Changelog

Complete: Engagements API Maintenance

Announced: August 29, 2019

Update: maintenance is complete! The Engagements API will be undergoing maintenance between 5:00 PM and 6:00 PM Eastern Time Sunday, September 15. During this maintenance period, there will be a brief period where the Engagements API will be...

Now Live: Webhooks now support privacy-compliant contact deletions.

Announced: August 14, 2019

Data privacy is a top priority at HubSpot, and helping our developer community stay on top of data compliance is important to us. HubSpot users have the ability to permanently delete a contact record to comply with privacy laws. You can see more...

Complete: Timeline API Maintenance

Announced: August 5, 2019

Update: Maintenance is complete! The Timeline API will be undergoing maintenance between 5:00 PM and 6:00 PM Eastern Time Sunday, August 11. During this maintenance period, there will be a brief period where the Timeline API will be unavailable, and...

Changes to the public API demo account

Announced: July 11, 2019

Update: These changes are now live, and the demo API key will only be allowed to make GET requests. When HubSpot launched our first public APIs in 2010, we created our public API demo account so that developers would have an account that could be...

Updated API : Ecommerce Bridge v2

Announced: March 26, 2019

What's Happening? Today we're releasing an update for our Ecommerce Bridge API. The v2 release of the Ecommerce Bridge has some new features, but is backwards compatible with the v1 API.

Sunset: The V1 Forms API will be sunset on March 29th

Announced: January 30, 2019

The original v1 of the Forms API was released in sync with the launch of our then new form tools. Since then, we've added several new features to our forms, including support for progressive and dependant fields, support for inline thank you...

Update: The associatedcompanyid contact property will become read-only on April 26th

Announced: January 24, 2019

When the HubSpot CRM originally launched, contacts could only be associated with a single company. This association was done using the associatedcompanyid, since only a single association from a contact to a single company was supported. Since then,...

New feature: Get the submissions for a HubSpot form

Announced: January 23, 2019

What's happening? Today, we're releasing a new endpoint for our Forms API that will let you get the details for individual submissions for a HubSpot form. This will include all of the fields included in the submission, as well as the time that the...

HubSpot Developer Community Forum Migration Announcement

Announced: January 7, 2019

Beginning on January 7, the developer forums will be migrated from integrate.hubspot.com to community.hubspot.com --- the same platform as the HubSpot customer and CMS developer forums. The migration will conclude on January 29th.

New feature: Check for the existence of analytics data for any supported object type

Announced: December 4, 2018

What's Happening? Today we're releasing a new endpoint for the Analytics API. This endpoint will let you check to see if there is existing analytics data for any of the specific objects supported by the Analytics API. This will allow you to perform...

Upcoming Sunset: Growth default theme for the HubSpot CMS

Live: March 15, 2025

What’s changing Starting on March 15, 2025, the default CMS Growth theme will no longer be available for new HubSpot portals. After this date, existing HubSpot portals will retain access to the Growth theme but will not receive any further features...

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

Live: April 7, 2025

Days until the change takes effect: 60 days

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...

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

Live: April 7, 2025

Starting April 7th, 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...

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Latest Posts

Complete: Engagements API Maintenance

Now Live: Webhooks now support privacy-compliant contact deletions.

Complete: Timeline API Maintenance

Changes to the public API demo account

Updated API : Ecommerce Bridge v2

Sunset: The V1 Forms API will be sunset on March 29th

Update: The associatedcompanyid contact property will become read-only on April 26th

New feature: Get the submissions for a HubSpot form

HubSpot Developer Community Forum Migration Announcement

New feature: Check for the existence of analytics data for any supported object type

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

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

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API