Webhook: Customers and users

POSThttps://app.example.com/webhooks/tica

This page describes the delivery contract sent to your HTTPS receiver for the selected event group.

Events

user.created, user.updated, customer.created, customer.updated, customer.deleted

Verification and retries

Verify the unmodified raw body with X-Tica-Timestamp and X-Tica-Signature using HMAC-SHA256. Persist delivery_id idempotently and return 2xx after queueing work.

INCOMING WEBHOOK DATA

Sample JSON body delivered to your application's HTTPS receiver.

APPLICATION/JSON

{
  "delivery_id": "delivery_01J4...",
  "event_name": "user.created",
  "schema_version": 1,
  "installation_id": "install_01J4...",
  "domain_id": 42,
  "aggregate_type": "customer",
  "aggregate_id": "resource_...",
  "aggregate_version": 12,
  "occurred_at": "2026-08-10T16:00:00Z",
  "payload": {
    "id": "customer_42",
    "email": "[email protected]",
    "first_name": "Ayşe",
    "last_name": "Yılmaz",
    "phone": "+905551112233",
    "is_active": true
  }
}