DevelopersGrandOS index

An event-driven hotel — with clear boundaries.

The GrandOS API is not public yet. Its design uses versioned resources, idempotent booking events and signed webhooks.

API preview
01APIPrivate preview
02WebhooksSigned
03SandboxRequired before production
01

Resources

Hotels, room types, rate plans, inventory, bookings, payment status and messages receive stable identifiers.

  • Versioned contracts
  • Tenant controls
  • Minimum necessary data
02

Events

The booking flow must tolerate duplicates, network failures and retries without creating duplicate reservations.

  • Idempotency keys
  • Signed deliveries
  • Dead-letter queue with accountable status

Developers · GrandOS

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