generated: '2026-07-21'
method: searched
source: https://developers.slopepay.com/docs/rfc-v4-api
scheme: major-api-version
current: v4
note: Slope does not publish a dated public changelog; the V3->V4 migration guide is the primary documented
  change record.
entries:
- version: v4
  type: major
  breaking: true
  highlights:
  - 'Global Slope customer accounts: customers apply once and use a single account across any Slope merchant.'
  - customer field removed from order creation; no POST /v4/customers endpoints (GET only).
  - checkoutCode returned automatically on order creation (no separate /orders/intent call) and no longer
    expires.
  - Slope.js SDK pre-loads an iframe on page load for instant modal open.
  - Simple GET filter query params supported (e.g. /v4/orders?status=open).
  docs: https://developers.slopepay.com/docs/rfc-v4-api