HubSpot Developer Changelog (9)

Upcoming Sunset: Removing the Webhooks rateLimitPolicy and period fields

Live: May 20, 2024

January 2024 Rollup

Announced: January 30, 2024

The January 2024 monthly rollup within the developer changelog of HubSpot includes several updates. These updates are a new Webhooks Export Log for Non-Project Based Private Apps with Higher Call Volumes, Managing Email Variables for...

Filter improvements for HubL CRM functions

Live: February 22, 2024

The eq (equal) filter which can be used in query parameters of the crm_objects, crm_object, and crm_associations HubL functions, acts more in-line with the behavior expected for a contains comparison. We're correcting this by updating the eq filter...

December 2023 Rollup

Announced: December 21, 2023

Can you believe that we are in December and 2023 is almost gone? Just because the year is almost gone, that doesn't mean that the HubSpot teams are done pumping out new and updated features for you all to sink your teeth into. Let's close out the...

Restricting the inboxId query parameter in the Beta Conversations API

Live: January 31, 2024

We'll be limiting requests to the GET /conversations/v3/conversations/threads endpoint to allow only a single inboxId query parameter.

Changes to primary labels for HubSpot-defined association labels

Announced: December 15, 2023

We're changing the labels for some of the HubSpot-defined associations between companies and other CRM objects.

Updated recommendations for storing OAuth access tokens

Announced: December 15, 2023

We're updating our recommendation for storing access tokens to allow tokens to be at least 512 characters in length.

Update to Forms API v3 and the lifecycle stage

Announced: December 12, 2023

This post serves as an update to the previous post on the lifecycle stage in forms. This post covers the details for the Forms API v3, which were missing from the previous post.

Log tracing for UI extensions

Announced: December 11, 2023

Developers building UI Extensions with private apps will now be able to connect front-end and back-end logs with a single trace ID. You can trace and visualize both events in the front-end React layer (e.g. card rendering, button clicks, data entry)...

Increasing the size of contact record IDs

Announced: December 7, 2023

Beginning in March 2024, we'll be updating the system that generates contact record IDs. This will affect the id for the v3 Contacts API, the vid for the legacy Contacts API, and the hs_object_id property returned with either API.

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...