generated: '2026-07-20'
method: searched
source: https://r2-api-docs.readme.io/changelog
scheme: semver
current_version: 1.2.1
entries:
- version: 1.2.0
  url: https://r2-api-docs.readme.io/changelog/v120
  breaking:
  - POST transactions (sync) endpoint removed.
  - GET transactions and GET collections endpoints removed.
  - Collections endpoint removed; the payments endpoint replaces collection creation with several collection kinds.
  additions:
  - New event callbacks added — collection_returned_by_insurance, direct_payment_created_by_insurance, financing_interest_charged, financing_paid_by_insurance, financing_paused_by_insurance, financing_write_off.
  - "financing_created event: new fields offer_amount and category added."
- version: welcome
  url: https://r2-api-docs.readme.io/changelog/welcome-to-r2-api-docs
  highlights:
  - Launch of the R2 API developer hub and documentation.