Your guest database is your most valuable asset.

| Expectation | Reality | |-------------|---------| | GraphQL or modern REST patterns | Mostly REST, but some nested objects require multiple calls. | | Rate limits clearly posted | Often communicated per contract. Assume 100–200 requests per minute unless approved for higher. | | Sandbox environment with dummy data | Yes, there is a sandbox, but it may lack realistic waitlist or payment data. | | Webhook delivery guarantee | At-least-once delivery, but you'll need idempotency keys on your side. |