Changelog

Devnet API and SDK changes. Dates are UTC.

2026-10-12 — API v1 (devnet)

• Multilateral netting per window (window accepts "next" or an id).
• Webhook signatures now HMAC-SHA256 (X-Orrery-Signature); the old unsigned delivery is removed.

2026-09-20 — window-netting v2

• Settlement windows net multilaterally; obligations expire untouched if unmatched at close.
• obligation.expired webhook event added.

2026-09-01 — devnet open to design partners

• Initial /obligations, /windows, /policy endpoints; TypeScript SDK preview.