# Get Subnet Pruning History

Returns historical subnet pruning ranks, moving prices and immunity status.

_Source: https://beta.taostats.io/docs/api-reference/subnet/get-subnet-pruning-history_

_Last reviewed: 2026-09-18_

```http
GET https://api.taostats.io/api/subnet/pruning/history/v1
```

Requires an API key in the `Authorization` header.

Returns historical subnet pruning ranks, moving prices and immunity status. These records describe subnet deregistration risk, not individual neuron pruning. They include the registration block and remaining immunity blocks.

## Try it

Try this request in the browser on the HTML version of this page, or use the code samples below.

### Examples

Track pruning activity in subnet 19 over time

```text
https://api.taostats.io/api/subnet/pruning/history/v1?netuid=19&order=block_number_desc&limit=50
```

### Code samples

**cURL**

```bash
curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/api/subnet/pruning/history/v1?netuid=19&limit=50&order=block_number_desc"
```

**JavaScript**

```js
const response = await fetch('https://api.taostats.io/api/subnet/pruning/history/v1?netuid=19&limit=50&order=block_number_desc', {
  headers: {
    Authorization: '<YOUR_API_KEY>',
  },
});
const data = await response.json();
```

**Python**

```python
import requests

response = requests.get(
    "https://api.taostats.io/api/subnet/pruning/history/v1?netuid=19&limit=50&order=block_number_desc",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()
```

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `netuid` | query | `integer (int32)` |  |  |
| `block_start` | query | `integer (int32)` |  | Start of block range (inclusive) |
| `block_end` | query | `integer (int32)` |  | End of block range (inclusive) |
| `timestamp_start` | query | `integer (int64)` |  | Start of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive) |
| `timestamp_end` | query | `integer (int64)` |  | End of timestamp range in Unix timestamp (seconds since 1970-01-01) (inclusive) |
| `page` | query | `integer (int32)` |  |  |
| `limit` | query | `integer (int32)` |  |  |
| `order` | query | `string` |  | One of `block_number_asc`, `block_number_desc`, `timestamp_asc`, `timestamp_desc`. |

## Responses

### `200` — Subnets history retrieved successfully

| Field | Type | Required |
| --- | --- | --- |
| `data` | `array` | Yes |
| `data[].block_number` | `integer (int32)` | Yes |
| `data[].immunity_blocks_remaining` | `integer (int32)` | Yes |
| `data[].is_immune` | `boolean` | Yes |
| `data[].moving_price` | `string` | Yes |
| `data[].netuid` | `integer (int32)` | Yes |
| `data[].pruning_rank` | `integer (int32)` | Yes |
| `data[].registered_at_block` | `integer (int32)` | Yes |
| `data[].timestamp` | `string (date-time)` | Yes |
| `pagination` | `object` | Yes |
| `pagination.current_page` | `integer (int32)` | Yes |
| `pagination.next_page` | `integer (int32), nullable` |  |
| `pagination.per_page` | `integer (int32)` | Yes |
| `pagination.prev_page` | `integer (int32), nullable` |  |
| `pagination.total_items` | `integer (int32)` | Yes |
| `pagination.total_pages` | `integer (int32)` | Yes |

### Other responses

| Status | Meaning |
| --- | --- |
| `400` | Bad request |
| `404` | Subnets history not found |
| `500` | Internal server error |

Every request needs an `Authorization` header holding your API key — see [Getting started with the Taostats API](https://beta.taostats.io/docs/start-here/getting-started-with-taostats-api).