# Scale an Instance Pool

**PUT /instance-pool/{id}:scale**




## Servers
- https://api-ch-gva-2.exoscale.com/v2: https://api-ch-gva-2.exoscale.com/v2 ()



## Parameters

### Path parameters
- **id** (string(uuid))



### Body: application/json (object)

- **size** (integer(int64))
  Number of managed Instances


## Responses
### 200
200

#### Body: application/json (object)
- **id** (string(uuid))
  Operation ID
- **reason** (string)
  Operation failure reason
- **reference** (object)
  Related resource reference
- **message** (string)
  Operation message
- **state** (string)
  Operation status


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