# Bookings guest message send

`POST /lodging/desk/messages` · Rivier · bookings

Send a guest one service message about a reservation (pre-arrival, welcome, thanks, cancellation), once. The project's sender identity and test mode apply.

- Scope: bookings:write
- Mcp: rivier_frontdesk_guest_message
- Graphql: Mutation.sendGuestMessage
- Sdk: bookings.guestMessage.send
- Cli: bookings guest message send

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "reservationId": {
      "type": "string",
      "format": "uuid"
    },
    "kind": {
      "type": "string",
      "enum": [
        "pre_arrival",
        "welcome",
        "thanks",
        "cancellation",
        "checkin_info",
        "review_request",
        "payment_due"
      ]
    }
  },
  "required": [
    "reservationId",
    "kind"
  ],
  "additionalProperties": false
}
```

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X POST 'https://api.rivier.ai/lodging/desk/messages' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "reservationId": "string",
  "kind": "pre_arrival"
}'
```