POST Create a webhook - MsgFlash

Endpoint

POST /api/v1/webhooks

Body

Field	Type	Required	Description
`url`	string	yes	URL de réception
`events`	string[]	yes	1 à 50 événements

Success response `201`

{
  "data": {
    "id": "wh_uuid",
    "url": "https://example.com/webhooks/msgflash",
    "secret": "generated_once_secret",
    "events": ["message.delivered"],
    "active": true
  }
}