HubSpot Developer Changelog (23)

Preview URLs on system domains Update

Announced: May 3, 2021

For customers hosting content on system domains (such as hs-sites.com and hubspotpagebuilder.com), it's important for HubSpot to protect the integrity of these domains. One way to combat abuse is by ensuring that preview content is only accessible...

CMS Updates: Icon tag/field now documented, Icons added to Rich Text WYSIWYG, the Number field now supports prefix/suffix to give context to content editors, Default theme live demos now available

Announced: April 28, 2021

What happened We’ve made some updates to a few CMS related items:

List Filters Are Changing Formats But Will Be Backwards Compatible

Live: July 26, 2021

What’s Happening

Blog Authors, Blog Posts, and Blog Tags APIs have now exited beta (developer preview)

Announced: April 16, 2021

What’s happening? We're excited to announce that the v3 Blog Authors, Blog Posts, and Blog Tags APIs are now out of beta (developer preview). You can now start using them in production.

Updating objects by custom field and adding owner properties via the API

Announced: April 13, 2021

Update CRM Objects by a custom defined unique property Sometimes it is necessary or easier to use your own unique ID for CRM objects than to use the HubSpot provided ID. This can simplify integration logic since you don’t have to keep track of a...

Upcoming: Developer accounts will require two-factor authentication for login

Announced: April 12, 2021

HubSpot currently supports two-factor authentication (2FA) for all HubSpot accounts, including developer accounts. Until now, 2FA has been optional, and is enabled from the account settings of any HubSpot account, either for an individual user, or...

Announcing New Rate Limits for the Existing Form Submission Endpoints and Two New Authenticated Submission Endpoints

Live: July 13, 2021

To improve HubSpot’s platform security and performance we are announcing new rate limits for the existing Forms API submission endpoints plus two new authenticated submission endpoints.

Let us know what you think about our beta APIs

Announced: April 2, 2021

As HubSpot CEO, Brian Halligan, is fond of saying “Feedback is the breakfast of champions” so it’s important for us to hear exactly what you think about about our APIs, especially while they are in beta.

Announcing Forms API v3 Developer Preview is Now Available

Announced: March 24, 2021

We are continuing to build the next generation of HubSpot’s APIs to provide the consistency and completeness our developer community needs. Today, we are excited to announce that a refreshed Forms API and documentation is now available in developer...

Domains and redirects V3 APIs have exited beta

Live: March 17, 2021

We're excited to announce the CMS Domains and CMS URL Redirects V3 APIs are now out of beta. You can start using them in production.

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...