HubSpot Developer Changelog (6)

New Beta Version of the Automation API released

Announced: June 10, 2024

Today we're releasing a new version of the Automation API into public beta. This new API includes updated support for all current workflows functionality, and also brings the API up to our modern API design standards.

Changes to HubL Time Filters - Handling Null Values

Live: September 30, 2024

The datetimetformat, between_times, unixtimestamp, format_date, format_datetime and format_time HubL filters and functions now display warnings if they are called with a null argument. Currently, when a null argument is passed to them, the current...

Long-standing HubL Limits will now be properly enforced

Live: November 4, 2024

Starting June 10th, 2024, we will begin to enforce the CMS HubL limits for all net-new HubSpot accounts and accounts not currently exceeding the limits using the affected functions, in accordance with our Software Products, Packaging, and Limits....

Introducing New Participant State API

Announced: June 4, 2024

We are excited to announce today, June 4th, 2024, that we are releasing a new Participant State API and the new Marketing Event Attendance State CRM object. This API is designed to enhance the management and analysis of participant data at marketing...

May 2024 Rollup

Announced: May 31, 2024

HubSpot's recent updates for developers during this busy month of May include several key enhancements. The Records Sync v2 for Sandboxes has improved infrastructure, offering reliable CRM record sync capabilities and laying the groundwork for...

Breaking Change: Expanded Filtering Capabilities and Error Messaging in HubSpot's Search API

Live: August 26, 2024

To empower our customers with enhanced search capabilities within the CRM, we are pleased to announce that starting August 26, 2024, there will be significant expansions to the filtering options available and error messaging in the Search API. This...

Bug fix: Display Label for Custom Enumeration Properties for Custom Quotes

Live: August 21, 2024

Beginning May 21, 2024, we deployed a fix to how custom enumeration properties are displayed on custom quote templates. During this rollout, we discovered that the fix adversely affected some templates. As a result, we have paused the rollout.

Active Install requirement increase for App Certification

Announced: May 15, 2024

We are announcing an important update to the app certification requirements for app partners in the HubSpot App Marketplace. Effective May 15, 2024, the minimum number of active installs required for achieving app certification will increase from 6...

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...