HubSpot Developer Changelog

Bugfix: Integrations and CRM property change sources

Announced: March 24, 2022

What's changing? We will be making the change source for property updates to CRM records more consistent for updates made through integrations. This will affect the sourceType and sourceId fields in the property history. This was already implemented...

New validation for custom object names

Announced: February 17, 2022

Effective immediately, we will be enforcing new limits on the name field for custom object schemas.

New rate limits for the legacy Contacts API batch create or update endpoint

Announced: December 6, 2021

In an effort to increase the security and performance of the HubSpot platform, we will be introducing new limits for the legacy endpoint for creating or updating a group of contact records.

Upcoming: Customized lifecycle stages for contacts and companies

Live: September 30, 2022

On September 30th, 2022, users will be able to customize the lifecycle stages for their contacts and companies.

Private Apps are now available

Announced: November 9, 2021

Today we're excited to announce the release of Private Apps into general availability. Private Apps are a new way to connect your custom integration to your HubSpot account. They combine the easy setup of API keys, with the security features of...

The v3 CMS Pages API is now in public beta

Announced: October 28, 2021

We're excited to announce the release of our v3 CMS Pages API into public beta. This API will let you create and manage your website and landing pages.

Changes to the GDPR deletion endpoints for the CRM Contact Object API

Announced: September 22, 2021

We're making some changes to the new GDPR endpoints recently released into beta for the CRM Contact Object API. We currently have two separate endpoints for handling GDPR deletions for contact records; one that uses the email address and one that...

Upcoming: Expiration of OAuth access tokens is changing

Announced: September 20, 2021

What's changing? Beginning on November 8th, OAuth access tokens will be generated with a shorter expiration time. Tokens currently expire 6 hours after they are generated. After this change, tokens will expire 30 minutes after being generated.

Deprecating CAPTCHA for the v2 form submissions endpoint

Announced: August 30, 2021

Form submissions made using the Forms API that include a CAPTCHA token will return an error starting on September 13.

The Files API v3 has now exited beta

Announced: May 10, 2021

Last November, we released a new version of our Files API to public beta. This new version follows our other v3 releases in being more consistent and developer friendly. This version also included a few upgrades, including better deduplication and...

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.

CRM Imports API - New validation for Required Properties

Live: January 20, 2025

CRM objects often have properties that are required for creating records of that object type. For example Deals, require a Deal Name. When using the CRM Imports API, we're going to start validating that the provided import Request contains the...

Sunset of JWT SSO Setup for Private Content

Live: January 29, 2025

What's Changing? On January 29th, 2025 we are deprecating the ability to set up Single Sign-On (SSO) for JWT-based applications. Moving forward, we will be replacing this functionality with the OpenID Connect (OIDC) standard1. If you are already...

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...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: February 10, 2025

HubSpot is introducing a new limit on the number of IDs that can be supplied to the Batch Read endpoint for (/{fromObjectType}/{toObjectType}/batch/read) both the v3 and v4 public Associations API.

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...