Contact updated

Incoming webhook deliveries are authenticated with HMAC signature headers (X-Chatway-Signature and X-Chatway-Timestamp), not your Chatway API key.

An existing contact was updated.

POST webhook: contact.updated

Parameters

Name	In	Required	Type	Description
`X-Chatway-Event`	header	Yes	string	Event name for this delivery. Example: contact.updated
`X-Chatway-Webhook-Id`	header	Yes	string (uuid)	Unique webhook subscription ID. Example: 9f3c2a1b-4d5e-6f70-8a9b-0c1d2e3f4a5b
`X-Chatway-Delivery-Id`	header	Yes	string	Unique ID for this HTTP delivery attempt (`del_…`). Example: del_456
`X-Chatway-Delivery-Attempt`	header	Yes	string	Attempt number for this event (`1` on first try). Sent as a decimal string in the header. Example: 1
`X-Chatway-Timestamp`	header	Yes	string	Unix timestamp in seconds when the request was signed. Sent as a decimal string in the header. Example: 1785933000
`X-Chatway-Signature`	header	Yes	string	HMAC SHA256 signature prefixed with `sha256=`. Example: sha256=3c9f5e2b1a0d4c8f7e6a5b4c3d2e1f0a9b8c7d6e5f4a3b2c1d0e9f8a7b6c5d4

Request body

Signed JSON envelope for this event.

application/json

id (string, required) — Stable event ID (`evt_…`). Same across HTTP retries for this notification.
event (string, required) — Event name. For this webhook, always `contact.updated`.
data (object, required) — Payload for contact.updated.
- contact (object, required)
  - id (string (uuid), required)
  - name (string, required)
  - email (string, required)
  - phone (string, required)
  - source (string) — Page URL or normalized channel label.
- updated_fields (array<string>, required)
- previous_values (object, required) — Map of field names to values before the update.
- current_values (object, required) — Map of field names to values after the update.
occurred_at (string (date-time), required) — When the business event occurred.
version (string, required) — Payload schema version.

Responses

200

Return any 2xx status to acknowledge receipt.

410

Optional HTTP 410 Gone to signal the endpoint is permanently unavailable. This delivery is not retried (same as other `4xx` responses). Disable the subscription in Chatway Settings if you want deliveries to stop.

Examples

Request body example

{
    "id": "evt_1234567890abcdef1234567890abcdef",
    "event": "contact.updated",
    "data": {
        "contact": {
            "id": "con_123",
            "name": "John Doe",
            "email": "[email protected]",
            "phone": "+1XXXXXXXXXX"
        },
        "updated_fields": [
            "email"
        ],
        "previous_values": {
            "email": "[email protected]"
        },
        "current_values": {
            "email": "[email protected]"
        }
    },
    "occurred_at": "2026-02-04T10:30:00Z",
    "version": "2026-09"
}