HubSpot Developer Changelog

We'll be limiting requests to the GET /conversations/v3/conversations/threads endpoint to allow only a single inboxId query parameter.

We're adding additional rate limit protection to our Forms Submissions APIs. This new rate limit would only apply after the current standard rate limits are reached.

Beginning July 31st, 2023, we will be implementing validation on the currency code property for deals.

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change,

We're making some changes to some of the fields used in the Workflows API. Certain optional fields will no longer be included in the response for any workflow ...

Note: This post has been updated to reflect an updated sunset date of August 31. The original date for this was July 28. We are sunsetting the

Beginning on July 14th, the industry property on company records will begin correctly validating values when company records are created and updated.

Beginning on May 22nd, 2023, we will be updating our APIs to use more strict validation for updates made to contact records.

We're making an update to the Custom Behavioral Events API. Currently, the send event endpoint (POST /events/v3/send) will accept an event with an unknown ...

We're releasing some new features for marketing events. These new features include the ability to create contacts from the events, as well as tracking registration and detailed attendance for the events.