Deletes a purchase.

```
v1/purchases/delete.php
```

## Parameters

| Field | Type | Required | Description |
|---|---|---|---|
| purchase_id | int | Yes | Purchase ID |

Deletion cannot be undone. Material prices and product costs updated by the purchase are not reverted to their previous values.

## Example request

```
{
    "purchase_id": 29645
}
```

## Example response

```
{
    "success": true
}
```

## Errors

| Error | Reason |
|---|---|
| No purchase_id in input | purchase_id is missing |
| Purchase not found or access denied | Purchase not found or already deleted |