HubSpot Developer Changelog (18)

Bugfix: Form field validation and CRM properties

Announced: April 13, 2022

What's changing? We'll be adding new validation to our Forms API. This validation will require that any fields being used in a form match with a corresponding CRM property. The name of the field must match the name of a CRM property for the object...

Choice fields now support selecting multiple options

Announced: April 12, 2022

This allows content creators to select multiple options. The display methods for this multi-select field are as a checkbox input or select field. Dragging the choice boxes will re-arrange those options for the content creator.

Upcoming: Owner IDs and the Engagements API

Live: July 19, 2022

Beginning on July 19th, we will be enforcing the values for owner-type properties in the Engagements API.

Bugfix: Integrations and CRM property change sources

Announced: March 24, 2022

What's changing? We will be making the change source for property updates to CRM records more consistent for updates made through integrations. This will affect the sourceType and sourceId fields in the property history. This was already implemented...

Update to Follow Me - LP default module

Live: June 20, 2022

The "Follow Me - LP" module provided by HubSpot as a default module for CMS content is being updated to fix a couple of issues. This module is separate from the "Follow Me" module, and the "Follow Me - Email" module. The Follow me LP module is...

Expanding the GraphQL beta for CMS developers

Announced: March 17, 2022

Announced at Developer Day 2021, we're opening up the GraphQL Beta to more businesses. Developers building on the HubSpot CMS can take advantage of GraphQL to query for, and display, their HubSpot CRM object and HubDB data on CMS pages, emails,...

Reminder: Upcoming Validation Change to the Forms API Submission Endpoints on March 21st, 2022

Live: March 21, 2022

This is a reminder for our developer community that from March 21st, 2022 we will be rejecting any form submissions that submit fields that aren’t present on a form. Plus any submissions that are missing fields that are required on a form. Any forms...

New CRM Object Property field for Custom Modules

Live: March 10, 2022

We're adding a new CRM Object Property field usable in custom modules for the HubSpot CMS. This field makes it even easier to work with your CRM data in the CMS.

New validation for custom object names

Announced: February 17, 2022

Effective immediately, we will be enforcing new limits on the name field for custom object schemas.

Upcoming Validation Change to the Forms API Submission Endpoints

Live: March 21, 2022

Update: We recently released an amendment to this validation, please see this amendment here: Amendment to Forms API Submission Validation. From March 21st 2022 we will be rejecting any form submissions that submit fields that aren’t present on the...

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

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: 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...