Changelog

Every change to the public API that a caller could notice, newest first. See versioning for what counts as breaking.

Date	Change	Detail
2026-11-05	Added	API v1 released: contacts and contact notes, the account endpoints (/ping, /me, /business), API keys, webhook endpoints, deliveries and the event catalogue.
2026-11-05	Added	Signed outbound webhooks (DA-Signature), with retries and automatic disabling after repeated failures.
2026-11-05	Added	Idempotency-Key support on every POST, and per-key rate limiting with X-RateLimit-* headers.
2026-11-05	Removed	The legacy JWT API keys were revoked. Create a dak1 key in Settings → Developers.