Changelog

v2024-04-01isno longer supported, effective June 15, 2026.

With the release of v2026-06-15—which is stabilized as of today, June 16, 2026—v2026-02-01 has entered the year-long deprecation process effective June 15, 2026.

This is the changelog for v2026-06-15, which contains breaking changes.

We've added a payroll.deleted webhook, which is emitted when a payroll is deleted.

The new Payroll Digests API lets partners retrieve payroll state summaries across many companies in a single asynchronous request, returning statuses, blockers, pay periods, and totals for up to 25 companies per batch.

On the 1st business day of each month, we communicate the upcoming changes to partner notifications, as well as partner notifications that are now deprecated. You have until the end of that notice's month (i.e. the "effective at" date) to make necessary updates.

We're launching comprehensive time off request and approval capabilities for Gusto Embedded partners, including a new admin management flow and a full suite of REST APIs for the complete time off request lifecycle.

We're launching the Contractor Management flow: a new flow type for managing 1099 contractors throughout their lifecycle, along with several contractor API improvements.

The Get All Tax Requirement States endpoint now returns three new fields to give partners more granular visibility into a company's state tax setup progress:

With the release of v2026-02-01—which is stabilized as of today, April 1 2026—v2025-11-15 entered the year-longdeprecation process effective February 1 2026, and will move through these deprecation phases: