Mark a notification as read

PUT/notifications/:id/read

Mark the given notification as read. Idempotent — calling it on an already-read notification succeeds. Returns 404 for notifications owned by another user or already deleted.

Auth	Login required

Path parameters

idstringrequired

Notification ID.

Response

Field	Type	Description
`notification`	Notification	The notification that was marked as read.

Request
curl https://api.4s.link/notifications/ID/read \
  -X PUT \
  -H "Authorization: Bearer 4s_at_..."

Example response
{
  "notification": {
    "id": "5f2a1c40-...",
    "userId": "9c3b7e21-...",
    "type": "EVENT_ANNOUNCEMENT",
    "messageParams": {
      "eventName": "4S Conference 2026",
      "announcementTitle": "受付開始時刻のお知らせ"
    },
    "isRead": true,
    "relatedId": "0b6d4f88-...",
    "metadata": {
      "eventId": "0b6d4f88-...",
      "eventSlug": "4s-conference-2026",
      "announcementId": "7ae2c915-..."
    },
    "createdAt": "2026-08-19T02:30:00.000Z",
    "updatedAt": "2026-08-19T03:01:12.000Z"
  }
}