HubSpot Developer Changelog (31)

New features released for the Chat Widget SDK

Announced: April 16, 2020

Today we're announcing three new features for the Chat Widget SDK.

API call logs available for API key users

Announced: April 15, 2020

A complete log of API calls made by an account can be a vital resource for developers. This is especially true when just getting started or trying to troubleshoot an issue. However, until now, HubSpot has only been providing logs of API calls to...

CMS Hub Developer Features and Updates

Announced: April 14, 2020

What's happening? The launch of CMS Hub includes several important updates for developers. Nothing needs to be done to existing sites to preserve existing functionality. The changes we're announcing make the HubSpot CMS more powerful for developers...

Developer Updates: Calling extensions, CMS Performance API, and CMS Content Audit API.

Announced: April 9, 2020

Calling Extensions Earlier this year, we released our new calling extensions SDK into developer preview. This feature allows users to make calls through your third-party calling service using the native calling functionality built into the HubSpot...

New Events and updated Ecosystem and CMS APIs are now in Developer Preview

Announced: April 6, 2020

As we continue to build the next generation of HubSpot’s APIs to provide the consistency and completeness our developer community has requested, we are excited to announce that a net new API and several more updated APIs are now in developer preview.

CRM API v3 is now available for general use

Announced: March 31, 2020

In January, we released a new collection of our v3 APIs into developer preview. Since then, many of you have worked with these new CRM APIs, and have provided valuable feedback and ideas for continual improvements. Thank you. Your feedback has...

New required information for the Associations API v3 in developer preview

Announced: March 26, 2020

Update: March 30 - This change is now live. What’s happening When creating, updating or removing associations between CRM objects, you will now need to specify a type of association. This type will also be returned when requesting associations for...

Improvements to authentication errors for V3 endpoints in developer preview program

Announced: March 11, 2020

What’s happening

New API client libraries available

Announced: February 25, 2020

What’s happening?

Restrict the Transactional Email SMTP endpoints to OAuth authentication only and sunset API key usage

Announced: February 19, 2020

What’s happening The usage of API keys for the Transactional Email SMTP endpoints listed below is being sunset.

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...