Native integrations accelerate setup but may limit field mappings, tax logic, or complex booking states. Custom code unlocks precision yet requires maintenance and observability. Evaluate total cost of ownership, not just day-one speed. Blend approaches: start native, extend with lightweight services where gaps appear, and keep an escape hatch for future needs.
Webhooks turn events into motion, but reliability matters. Implement signatures, replay protection, exponential backoff, and idempotency keys. Persist delivery attempts and correlation IDs. When the booking system whispers that a reservation changed, your listener must hear it exactly once, even when networks wobble or providers re-send during transient outages.
Tools like Zapier or Make speed experiments, while serverless functions harden critical paths. Use visual flows for noncritical glue and guardrails, then graduate recurring, high-impact automations to code. Document mappings where business users can edit, yet ensure tests protect core logic. Balance agility today with maintainability tomorrow, transparently.
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