generated: '2026-07-20'
method: searched
source: https://developers.perk.com/changelog
name: Perk API Changelog
type: ChangeLog
scheme: dated-entries
current_version: '1'   # Api-Version header
description: Recent entries from the Perk developer changelog (recent window).
entries:
- title: Expense extension
  url: https://developers.perk.com/changelog/scim-expense-extension
  breaking: false
  type: addition
  highlights: >-
    SCIM API adds the urn:ietf:params:scim:schemas:extension:expense:2.0:User extension
    with five attributes (policyId, creditor, legalEntityId, approvalThreshold,
    ignoreManagerInRequests), mappable via Okta or Microsoft Entra ID.
- title: Cost center endpoints
  url: https://developers.perk.com/changelog/cost-center-endpoints
  breaking: false
  type: addition
  highlights: >-
    Exposed approver_id, delegate_id, and delegate_expiry on the Cost Centers schema for
    provisioning; GET now returns company scope plus detailed approver/delegate objects.
- title: Changes to invoices issued prior to 2019
  url: https://developers.perk.com/changelog/changes-to-invoices-issued-prior-to-2019
  breaking: true
  type: change
  highlights: The Invoice endpoints only return invoices issued on or after 2019-01-01.
- title: Update labels to custom fields
  url: https://developers.perk.com/changelog/update-labels-to-custom-fields
  breaking: false
  type: change
  highlights: Trip "labels" were renamed/reworked as custom fields.
- title: Add Retrieve Trip by ID & Filter Trip by Traveler ID
  url: https://developers.perk.com/changelog/add-retrieve-trip-by-id-filter-trip-by-traveler-id
  breaking: false
  type: addition
  highlights: Added Retrieve a Trip by ID endpoint and traveler_id filtering on the trips list.