# List collections

Collections are supported only for pod-based indexes. Pod-based indexes cannot be created with API version `2026-07`, so this operation applies to pod-based indexes created with an earlier API version.

:::code-group
```shell curl
PINECONE_API_KEY="YOUR_API_KEY"

curl -i -X GET "https://api.pinecone.io/collections" \
  -H "Api-Key: $PINECONE_API_KEY" \
  -H "X-Pinecone-Api-Version: 2026-07"
```
:::

`GET /collections`

:::code-group
```json title="200"
{
  "collections": [
    {
      "dimension": 3,
      "environment": "us-east1-gcp",
      "name": "small-collection",
      "size": 3126700,
      "status": "Ready",
      "vector_count": 99
    },
    {
      "dimension": 3,
      "environment": "us-east1-gcp",
      "name": "small-collection-new",
      "size": 3126700,
      "status": "Initializing",
      "vector_count": 99
    },
    {
      "dimension": 1536,
      "environment": "us-east1-gcp",
      "name": "big-collection",
      "size": 160087040000000,
      "status": "Ready",
      "vector_count": 10000000
    }
  ]
}
```

```json title="500"
{
  "error": {
    "code": "UNKNOWN",
    "message": "Internal server error"
  },
  "status": 500
}
```
:::

#### Authorizations

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `Api-Key` | `string` | - |  |

An API Key is required to call Pinecone APIs. Get yours from the [console](https://app.pinecone.io/).

#### Headers

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `X-Pinecone-Api-Version` | `string` | `2026-07` | Required date-based version header |

#### Response

`200` — List all the collections in your current project.

The list of collections that exist in the project.

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `collections?` | `object[]` | - | List of collections in the project |

:::accordion{title="Show child attributes"}
| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `name` | `string` | - | The name of the collection. Example: example-collection |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `size?` | `integer` | - | The size of the collection in bytes. Example: 10000000 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `status` | `string` | - | The status of the collection. Possible values: Initializing, Ready, Terminating, or Terminated. Example: Initializing |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `dimension?` | `integer` | - | The dimension of the vectors stored in each record held in the collection. Required range: 1 <= x <= 20000. Example: 1536 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `vector_count?` | `integer` | - | The number of records stored in the collection. Example: 120000 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `environment` | `string` | - | The environment where the collection is hosted. Example: us-east1-gcp |
:::

## Related pages

- [Create a backup of an index](./database-control-plane-create-backup.md)
- [List backups for all indexes in a project](./database-control-plane-list-project-backups.md)
- [List backups for an index](./database-control-plane-list-index-backups.md)
- [Describe a backup](./database-control-plane-describe-backup.md)
- [Delete a backup](./database-control-plane-delete-backup.md)
- [Create an index from a backup](./database-control-plane-create-index-from-backup.md)
- [List restore jobs](./database-control-plane-list-restore-jobs.md)
- [Describe a restore job](./database-control-plane-describe-restore-job.md)
- [Create a collection](./database-control-plane-create-collection.md)
- [Describe a collection](./database-control-plane-describe-collection.md)

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