> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getnowadays.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Booking

> Modify or cancel a booking in sandbox

Update a booking's details, payment status, or cancel it in the sandbox environment.

### Path Parameters

<ParamField path="booking_id" type="number" required>
  The unique identifier of the booking to update
</ParamField>

### Request Body

<ParamField body="booking_status" type="string">
  Updated booking status (confirmed, pending, cancelled, completed)
</ParamField>

<ParamField body="payment_schedule" type="array">
  Updated payment schedule with milestone statuses
</ParamField>

<ParamField body="cancellation_reason" type="string">
  Reason for cancellation (required if status is "cancelled")
</ParamField>

<ParamField body="modification_notes" type="string">
  Notes about the modification
</ParamField>

### Response Format

```json theme={null}
{
  "booking_id": 5001,
  "event_id": 789,
  "booking_status": "confirmed",
  "amount_paid": 75000,
  "amount_remaining": 50000,
  "payment_schedule": [
    {
      "milestone": "Deposit",
      "amount": 25000,
      "status": "paid"
    },
    {
      "milestone": "Second Payment",
      "amount": 50000,
      "status": "paid",
      "paid_date": "2027-01-15"
    },
    {
      "milestone": "Final Payment",
      "amount": 50000,
      "status": "pending"
    }
  ],
  "updated_at": "2025-11-22T10:00:00Z"
}
```

### Example Request - Update Payment

```json theme={null}
{
  "payment_schedule": [
    {
      "milestone": "Second Payment",
      "status": "paid",
      "paid_date": "2027-01-15"
    }
  ],
  "modification_notes": "Second payment received"
}
```

### Example Request - Cancel Booking

```json theme={null}
{
  "booking_status": "cancelled",
  "cancellation_reason": "Event postponed indefinitely",
  "modification_notes": "Client requested cancellation, deposit refunded"
}
```

### Notes

* Cancellations before the deadline may allow deposit refunds
* Payment schedule updates automatically recalculate `amount_remaining`
* Cancelled bookings cannot be reactivated (create new booking instead)