Changelog
Stratum Fintech API release history.
v1.0.0 2026-10-01
- Initial sandbox release of Payments, Refunds, Merchants, Members and WRS endpoints.
- Idempotency-Key required on all POST requests.
- HMAC-SHA256 webhook signatures.
v0.9.0-beta 2026-08-15
- Reconciliation endpoint preview.
- WRS allocation state machine introduced (8 states).
v0.8.0-alpha 2026-06-30
- Mock payment provider adapter.
- Sandbox credentials for developers.