HubSpot Developer Changelog

New features for the v4 Automation API

Announced: January 13, 2025

We've recently released new functionality for the v4 Automation API in public beta. These updates include batch endpoints and the ability to update an existing workflow.

App Marketplace Listing Process Validation

Live: October 31, 2024

Beginning on October 31, we'll be updating our App Marketplace listing process to include more validation for specific fields. These fields are already required for listing and can be found in our App Marketplace listing requirements, but they will...

September 2024 Rollup

Announced: September 30, 2024

Following up on all of the new features announced at Inbound, we have a few more new features for Developers. September brings updates to the upsert API for contacts, an updated version of our CLI tools, a new CMS theme, knowledge base data in...

Bugfix - Incorrect validation for properties using the bool type

Live: November 18, 2024

On November 18th, we're making an update to property validation for any CRM properties using the "type": "bool". Currently, these properties are not validated correctly, making it possible to store any string value in these properties. This can...

Increasing our API limits

Announced: September 23, 2024

Today we're announcing an increase to our API rate limits. These increases apply to accounts with a Professional or Enterprise subscription, the API Limit Increase capacity pack, and also includes changes to the limits for public apps and the CRM...

New beta form editor and developer functionality

Announced: September 3, 2024

We've recently released a beta version of a new form editor tool. The new editor has several new features for HubSpot users building forms and embedding them onto the HubSpot CMS and external pages

New Leads API released

Announced: August 20, 2024

Today we're announcing the release of the Leads API, which can be used to manage lead records in HubSpot. Leads are part of the CRM Object API, and will function APIs for other CRM object types.

Public App Reauthorization and Advanced Scope Settings

Live: August 26, 2024

Note: This change is related to the recently announced advanced scope settings.

Updated merge functionality for contacts and companies

Live: January 14, 2025

Note: This changelog has been superseded by an updated version published on October 2, 2024. Please refer to the new changelog for the most accurate and up-to-date information regarding merge functionality for contacts, companies, and other CRM...

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.

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: April 7, 2025

Days until the change takes effect: 60 days

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...

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: April 7, 2025

Starting April 7th, 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 and...

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...

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Latest Posts

New features for the v4 Automation API

App Marketplace Listing Process Validation

September 2024 Rollup

Bugfix - Incorrect validation for properties using the bool type

Increasing our API limits

New beta form editor and developer functionality

New Leads API released

Public App Reauthorization and Advanced Scope Settings

Updated merge functionality for contacts and companies

New Beta Version of the Automation API released

Upcoming Sunset: Growth default theme for the HubSpot CMS

Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Breaking Change: Large Export Partitioning and Association Limits for the CRM Export API

Breaking Change for DateTime Properties in Marketing Emails

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Public Beta: Automatic Deactivation of Exposed Tokens

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API