# Get service volume

`GET https://api.instacloud.com/projects/{projectId}/services/{serviceId}/volume`

**Token scope:** `account` · `org` · `project` — read-only tokens allowed.

A compute or managed-database service's data volume (size + mount path — configurable on attachment for compute, the image's data directory for a managed DB; null when none is attached) plus this plan's volume cap.

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `projectId` | path | `string` | yes |  |
| `serviceId` | path | `string` | yes |  |

## Response 200

Default Response

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `volume` | `object \| null` | yes | null = no volume attached (attach one any time with PUT …/volume) |
| `volume.sizeGib` | `integer` | yes |  |
| `volume.mountPath` | `string` | yes | configured container mount path (defaults to /data for compute) |
| `volume.id` | `string \| null` | no |  |
| `volume.appliedMountPath` | `string \| null` | no |  |
| `volume.pending` | `boolean` | no |  |
| `cap` | `object` | yes |  |
| `cap.volumeGib` | `integer` | yes | this plan's maximum volume size (whole Gi) |

## Response 400

Default Response

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `error` | `string` | yes |  |

## Response 404

Default Response

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `error` | `string` | yes |  |