0.1.0 — pre-launch draft
- Defined the eight-operation
/v1receive-only contract. - Added scoped bearer authentication, opaque cursor pagination, ETags, and authoritative usage headers.
- Added 30-day email reservations and 15-minute message, source, and attachment retention.
- Added create-email idempotency and stable structured errors.
- Fixed the Premium allowance at 10,000 API requests per UTC calendar month, independently of billing cadence.
This version is not publicly available. Production release notes will begin
only after the approved launch.