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> For a complete documentation index, see https://docs.ibee.co.in/docs/api-reference/cloud-vms/precheck-cloud-vm-resize/llms.txt.
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# Precheck a cloud VM resize

POST https://api.ibee.co.in/v1/compute/cloud-vms/{vm_id}/actions/resize/precheck
Content-Type: application/json

Evaluates a requested CPU, memory, or root-disk change before starting it. Requires scope: vm.write.

Reference: https://docs.ibee.co.in/docs/api-reference/cloud-vms/precheck-cloud-vm-resize

## Authentication

- `Authorization` header (bearer token, required) — IBEE platform API token. Production tokens start with `ibee_prod_key_`; development tokens start with `ibee_dev_key_`. Use a token only with its matching gateway environment.

## Servers

- `https://api.ibee.co.in/v1` (Production, default)
- `https://api.ibee.co.in/v1` (Development)

## Request

### Path parameters

- `vm_id` (string, required) — Virtual machine ID.

### Query parameters

- `workspace_id` (string, required) — The positive numeric workspace ID to scope this request to. Zero, negative, and non-numeric values are rejected.

### Body (application/json)

This endpoint expects a VmResizeRequest.

- `cpu` (integer, optional)
- `ram_mb` (integer, optional)
- `disk_gb` (integer, optional)
- `requested_by` (string, optional, default: api)

## Response

### 200

Resize decision returned successfully.

- `decision` (enum, required)
  - Allowed values: `in_place`, `migration_required`, `blocked`
- `reasons` (list of string, required)
- `warnings` (list of string, required)
- `migration_checklist` (list of string, required)
- `migration_steps` (list of string, required)
- `requires_stop` (boolean, required)
- `downtime_expected` (boolean, required)
- `no_changes` (boolean, required)
- `current_state` (string, required)
- `current` (VmResizeShape, required)
- `target` (VmResizeShape, required)
- `mode` (enum, optional, nullable)
  - Allowed values: `in_place`, `migration_required`, `blocked`
- `live_state` (string, optional, nullable)

## Errors

### 400 Bad Request Error

The request is invalid.

- `detail` (ErrorDetail, optional)

### 401 Unauthorized Error

The API token is missing or invalid.

- `detail` (ErrorDetail, optional)

### 403 Forbidden Error

The token is not allowed to access the workspace or does not have the required scope.

- `detail` (ErrorDetail, optional)

### 404 Not Found Error

The requested resource was not found.

- `detail` (ErrorDetail, optional)

## Types

### VmResizeShape

- `cpu` (integer, required)
- `ram_mb` (integer, required)
- `disk_gb` (integer, required)

### ErrorDetail

## Examples

**Request**

```json
{}
```

**Response**

```json
{
  "decision": "in_place",
  "reasons": [
    "string"
  ],
  "warnings": [
    "string"
  ],
  "migration_checklist": [
    "string"
  ],
  "migration_steps": [
    "string"
  ],
  "requires_stop": true,
  "downtime_expected": true,
  "no_changes": true,
  "current_state": "string",
  "current": {
    "cpu": 1,
    "ram_mb": 1,
    "disk_gb": 1
  },
  "target": {
    "cpu": 1,
    "ram_mb": 1,
    "disk_gb": 1
  },
  "mode": "in_place",
  "live_state": "string"
}
```

**SDK Code**

```python
import requests

url = "https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck"

querystring = {"workspace_id":"710995"}

payload = {}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers, params=querystring)

print(response.json())
```

```javascript
const url = 'https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995"

	payload := strings.NewReader("{}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995', [
  'body' => '{}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ibee.co.in/v1/compute/cloud-vms/vm_id/actions/resize/precheck?workspace_id=710995")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```