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Bill8:Webhooks — signed event delivery

The outbound integration surface: it consumes domain events from Bus, materializes typed webhook events, and delivers signed payloads to merchant-configured endpoints with retries — merchants never miss an event silently.

Use cases​

  • Event subscriptions — merchants configure endpoints and subscribe to event types; credentials live as secret references.
  • Signed payloads — every delivery carries the signing header the merchant verifies (secrets resolve from Sentin8:Secrets at call time).
  • Retry with backoff — failed deliveries retry on schedule, then land in the dead-letter state for replay from the merchant dashboard.
  • Delivery history — every attempt is visible with response codes; debugging an integration is a query, not a support ticket.

Full documentation​

The complete detail lives in this product's sub-pages:

  • Architecture (DDD) — the full document, harvested from the unit's repository at build time.
  • Business rules (BRD) — the full document, harvested from the unit's repository at build time.
  • Security — the full document, harvested from the unit's repository at build time.
  • Overview (repo README) — the maintainer's README in the consolidated reference section.