generated: '2026-07-19'
method: searched
source: https://developer.employmenthero.com/api-references
description: >-
  Recent dated changes published on the Employment Hero developer portal. Only
  the publicly dated change is recorded; Employment Hero does not publish a full
  machine-readable changelog feed, so this captures the recent window only.
scheme: date-based announcements on the developer portal
current_version: null
entries:
  - date: '2026-09-14'
    type: breaking
    highlights:
      - OAuth 2.0 PKCE (code_challenge + code_verifier, S256) becomes mandatory for the authorization-code flow.
    source: https://developer.employmenthero.com/api-references