HubSpot Developer Changelog (20)

Asset Marketplace: CLI Theme Validation out of beta and CMS Reusable Sections now available for submissions.

Announced: October 26, 2021

CLI Theme validation out of beta We are happy to announce that the Asset Marketplace CLI Theme Validation is currently out of beta and in the newest version of the CLI (v3.0.9). We encourage you to upgrade your CLI to this latest version. For more...

Introducing version 3 of Webhook signatures

Announced: October 25, 2021

In order to help protect our partners and customers, HubSpot signs outgoing requests (such as those for webhooks or CRM cards) so that you can verify that the request did actually come from HubSpot. Following the latest security best-practices, we...

Asset Marketplace update for Modules, Email Template, Templates, and Template Packs

Announced: October 1, 2021

Starting October 7th, 2021, in our continued effort to transition towards our newest iteration of the Asset Marketplace, we will be stopping all net new submissions for Modules and Email Templates and also all resubmissions for Individual Templates...

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...

HubDB v3 API now in General Availability (GA)

Announced: September 21, 2021

Today we are excited to announce that we are releasing our HubDB V3 API into General Availability (GA) as part of our ongoing effort to improve the consistency and completeness of our developer APIs.

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.

New CMS module field validation

Live: December 14, 2021

Previously it was possible to create a module in the page editor that was required, locked, and did not have a default value. Meaning it was impossible to publish a page with that module, because the required field was not filled in, and had no way...

New property limits for the Custom Behavioural Events API

Live: September 20, 2021

We are introducing new property and value limits for the Custom Behavioural Events API which is currently in beta.

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.

Public beta: Introducing new GDPR deletion endpoints for the CRM Contact Object API

Live: August 27, 2021

Update: This post has been updated to more accurately reflect the current GDPR functionality as of September 2022. See our GDPR resources for integrations for full details. Good news! We've enhanced the HubSpot platform to enable easier compliance...

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...