Welcome to our June changelog!

Have questions about anything in the changelog? Please feel free to reach out to [email protected]

New API Version

• API version v2026-06-15 is now generally available and marked as a stable release. Set the X-Gusto-API-Version: 2026-06-15 header to use it.

API Improvements

• Payrolls API
  • Added new Employee Compensation type custom_withholdings. Affected endpoints include:
    • Get a single payroll
    • Prepare a payroll for update
    • Update a payroll by ID

Webhooks

• Added Payroll Events
  • payroll.deleted

Documentation

• Numerous minor documentation updates, additions and improvements