The API changelog. Each published version of the Supplier API and the two fulfilment contracts you implement, newest first. Breaking changes require a new major version (/v2); everything below is backward-compatible within its major.
Supplier API
1.1.0 — 2026-07-12
| Type | Summary |
|---|
| added | GET /offers filters: external_ref, status, product_id, updated_since. |
| added | Webhook event order.expired — a terminal event fired when an unpaid order is swept to expired. |
1.0.0 — 2026-07-11
| Type | Summary |
|---|
| added | Initial public release of /v1 (all endpoints in this document). |
| added | Published rate-limit classes and per-supplier ceiling. |
| added | Published RFC 9457 error catalog with stable append-only codes. |
| added | Published webhook event catalog and HMAC signature scheme v1 with official test vector. |
| added | Fee schedule v1 (850 bps commission, €0.05 min fee, 7-day settlement). |
Declared Stock contract
1.0.0 — 2026-07-11
| Type | Summary |
|---|
| added | Initial published contract (reservations, orders, items, return-to-stock, healthcheck). |
| added | SLA table and health/cooldown math published. |
Top-up contract
1.0.0 — 2026-07-11
| Type | Summary |
|---|
| added | Initial published contract (validate, execute, operation status, healthcheck). |