# Cancel Booking Room Reservation

<mark style="color:green;">`POST`</mark> `[PlatformAddress]venue?action=cancelBookingRoomReservation`

Cancel a room reservation on a booking. Only reservations that are "not confirmed" can be cancelled.

#### Request Body

| Name      | Type    | Description                                                                                                                         |
| --------- | ------- | ----------------------------------------------------------------------------------------------------------------------------------- |
| venueId   | integer | The unique id of the venue to which the booking belongs                                                                             |
| bookingId | integer | The unique id of the booking to which the room reservation belongs                                                                  |
| id        | integer | The unique id of the room reservation to cancel                                                                                     |
| roomId    | integer | <p><em>DEPRECATED: Use roomIds instead</em></p><p>Optionally, the unique id of the individual room on the reservation to cancel</p> |
| roomIds   | array   | Optionally, the array of ids of the individual rooms on the reservation to cancel                                                   |

{% tabs %}
{% tab title="200 " %}

```javascript
{
  "success": true,
  "errorType": null,
  "failedRooms": []
}
```

{% endtab %}
{% endtabs %}

### Response Error Types

| Error Type | Reason                                                                                                                                                           |
| ---------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 0          | Unknown error                                                                                                                                                    |
| 1          | The reservation is already cancelled (and cannot be cancelled again)                                                                                             |
| 2          | An old error condition that has been removed                                                                                                                     |
| 3          | Unknown channel error                                                                                                                                            |
| 4          | Unknown channel error                                                                                                                                            |
| 5          | One or more individual rooms on the reservation cannot be cancelled                                                                                              |
| 6          | The status of the reservation prevents it from being cancelled. Only "not confirmed", "confirmed", "checked in", and "checked out" reservations can be cancelled |
| 7          | The canBeEdited flag of the room reservation is false, which prevents any changes                                                                                |
| 8          | Cancelling one or more room failed when roomIds parameter were set. See "failedRooms" in response for more details                                               |

### Failed Rooms Error Codes

| Code | Message                                      |
| ---- | -------------------------------------------- |
| 1    | The room has already been cancelled          |
| 2    | The room cannot be cancelled                 |
| 3    | The reservation of the room cannot be edited |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://developer.ivvy.com/venues/accommodation/cancel-booking-room-reservation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.