Download OpenAPI specification:
RC-103 pins long-term storage schemas and invariants for webhooks: attempt logs, delivery state, subscription state, DLQ records, and rollup buckets.
No API surface changes in this RC. This OpenAPI file exists to keep the public API reference page meaningful and auditable even when there are no HTTP endpoints.
Canonical RC doc: docs/rc/rc103.md
Contract pack: docs/contracts/v1/rc103/