HubSpot Developer Changelog (13)

Additional rate limit protection being added to Form Submissions API

Live: August 8, 2023

We're adding additional rate limit protection to our Forms Submissions APIs. This new rate limit would only apply after the current standard rate limits are reached.

Upcoming: Enforcing Deal Currency Code Validation

Live: July 31, 2023

Beginning July 31st, 2023, we will be implementing validation on the currency code property for deals.

Upcoming Sunset: Legacy CTAs

Live: April 30, 2024

We are sunsetting the Legacy CTAs (Call-To-Action) app and migrating it into a new CTA 2.0 editor tool beginning June 15, 2023. This sunset will consist of two parts:

New version (v1) of Language Switcher Module released

Announced: June 1, 2023

The default language switcher module is being updated to a newer version. New accounts created after June 28th, 2023 will have an updated version of this module. Existing accounts created before June 28th, 2023 will be unaffected. This is in an...

May 2023 Rollup

Announced: May 30, 2023

May 2023 updates bring updated filtering for blog HubL functions, conditional fields in CMS modules, a new WhatsApp module, updated srcset generation, an updated version of our Calling Extensions SDK, support for custom objects in the new Goals API,...

Changes to fields in the Workflows API

Live: August 10, 2023

We're making some changes to some of the fields used in the Workflows API. Certain optional fields will no longer be included in the response for any workflow and other fields will have static, empty values regardless of how the fields may be set...

New member_email field for contacts used for CMS Membership emails

Live: May 8, 2023

We've added a new member_email property to contacts which dictates where membership emails (password reset, password confirmation, and registration) are sent. The following users should be aware of this new property:

April 2023 Rollup

Live: May 1, 2023

April showers bring new HubSpot powers. Better validation for multi-currency accounts, GraphQL available in more Hubs, new phone property type, improved and consolidated UIs, session timeout control for private content, and import tool improvements.

Asset Marketplace April Rollup - Theme updates required by July 12th, 2023

Announced: April 26, 2023

Modules will be released onto the asset marketplace soon. To prepare, we want to make sure your themes are the best they can be. Read on to review required theme updates, and complete these updates by July 12th, 2023.

Upcoming: Property Validations Rules will be enforced for APIs and Integrations

Live: July 24, 2023

Property Validations allow admins to prevent data quality issues before they start. By setting up property validation rules, admins can control what data can be entered into their system ensuring the entry of clean, reliable, and accurate data.

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 15, 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...