March APIsRapidAPI

Changelog

Rule values are never overwritten. A changed rate, threshold or fee is released as a new effective-dated version with source evidence and regression tests.

Version 0.6.0

28 July 2026

  • Removed the unused v1 compatibility routes; v2 is now the only supported API contract.
  • Consolidated the estimator, schemas, client and tests around the national contract.
  • Simplified public product and marketplace copy and removed superseded development assets.
  • Clarified request-based marketplace billing and restored subscribed estimate requests.

Version 0.5.0

28 July 2026

  • Simplified public copy and added active states to the primary navigation.
  • Added privacy, terms, support, status and public changelog pages.
  • Added allowlisted conversion events and aggregate API reliability telemetry without property values or request bodies.
  • Made the calculator default to the current Australia/Sydney date and refreshed the product integration path.

Version 0.4.0

27 July 2026

  • Adopted the Australian Stamp Duty & Property Costs name across the API, website and marketplace.
  • Expanded automated official-source monitoring to every production jurisdiction source.

Version 0.3.0

27 July 2026

  • Added the national v2 contract for all eight states and territories.
  • Added national batches, a typed client and the free calculator.

Version 0.2.0

27 July 2026

  • Added NSW history, concessional first-home calculations, batches and machine-readable coverage.