# Get Neuron Registrations

Returns neuron registration records with the subnet, UID, hotkey, coldkey and registration cost.

_Source: https://beta.taostats.io/docs/api-reference/subnet/get-subnet-neuron-registration_

_Last reviewed: 2026-09-18_

```http
GET https://api.taostats.io/api/subnet/neuron/registration/v1
```

Requires an API key in the `Authorization` header.

Returns neuron registration records with the subnet, UID, hotkey, coldkey and registration cost. Filter by participant or block and time ranges.

## Try it

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

### Examples

List recent neuron (miner/validator) registrations in subnet 19

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

**JavaScript**

```js
const response = await fetch('https://api.taostats.io/api/subnet/neuron/registration/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/neuron/registration/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)` |  | Subnet |
| `uid` | query | `integer (int32)` |  | Neuron ID |
| `hotkey` | query | `string` |  | SS58 or hex format |
| `coldkey` | query | `string` |  | SS58 or hex format |
| `block_number` | query | `integer (int32)` |  | The exact block number |
| `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)` |  | The page number of the response. |
| `limit` | query | `integer (int32)` |  | The number of responses. max is 200, |
| `order` | query | `string` |  | One of `block_number_asc`, `block_number_desc`, `timestamp_asc`, `timestamp_desc`, `registration_cost_asc`, `registration_cost_desc`. |

## Responses

### `200` — Subnet neuron registrations retrieved successfully

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `data` | `array` | Yes |  |
| `data[].block_number` | `integer (int32)` | Yes |  |
| `data[].coldkey` | `object` | Yes |  |
| `data[].coldkey.hex` | `string` | Yes | The hex format of the hot key |
| `data[].coldkey.ss58` | `string` | Yes | The SS58 format of the hot key |
| `data[].hotkey` | `object` | Yes |  |
| `data[].hotkey.hex` | `string` | Yes | The hex format of the hot key |
| `data[].hotkey.ss58` | `string` | Yes | The SS58 format of the hot key |
| `data[].netuid` | `integer (int32)` | Yes |  |
| `data[].registration_cost` | `string` | Yes |  |
| `data[].timestamp` | `string (date-time)` | Yes |  |
| `data[].uid` | `integer (int32)` | 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 |  |

**Example response**

```json
{
  "data": [
    {
      "block_number": 4104101,
      "coldkey": {
        "hex": "0xa6862f1f35e4b636deb0cc9151c65305556cbc6f15ae046aa77e1999d666eb77",
        "ss58": "5Fq3fe6XGeAoxV5tsRApee1YEvnKgBdxxvY6wHEPAvibsguY"
      },
      "hotkey": {
        "hex": "0x1af5fef0b561f372ed9c169623760312f048711359782e16a754835a8bd3174b",
        "ss58": "5Cg4BHi4yvZWA6YPKgU48za4dpiiApSEoTsFuzmsYKRAzkpa"
      },
      "netuid": 19,
      "registration_cost": "277988201",
      "timestamp": "2024-10-23T06:05:36.001Z",
      "uid": 251
    },
    {
      "block_number": 4104100,
      "coldkey": {
        "hex": "0xa6862f1f35e4b636deb0cc9151c65305556cbc6f15ae046aa77e1999d666eb77",
        "ss58": "5Fq3fe6XGeAoxV5tsRApee1YEvnKgBdxxvY6wHEPAvibsguY"
      },
      "hotkey": {
        "hex": "0x4e1d27e2eaf252e681eedc2518dd97a24a560e400ddfcf1e441a5afd57020659",
        "ss58": "5Dq8FeBwuRaANWuroMdzeBX6bmV17Fw77TBP8v3nodQjLT19"
      },
      "netuid": 19,
      "registration_cost": "277988201",
      "timestamp": "2024-10-23T06:05:24Z",
      "uid": 5
    }
  ],
  "pagination": {
    "current_page": 1,
    "next_page": 2,
    "per_page": 10,
    "prev_page": null,
    "total_items": 6794,
    "total_pages": 680
  }
}
```

**Response details**

```text
  {
      "block_number": 5453693,
      "timestamp": "2025-04-28T23:32:12Z",
      "netuid": 79,
      "uid": 111,
      "hotkey": {
        "ss58": "5EjX1AGvv1vHcmYW7QiC74dYLkZpbDK4CQYXMFw69AtvrQY2",
        "hex": "0x76128051af6183acf2d1cac97a24a738d16809cea1515700bc50aba111786c48"
      },
      "coldkey": {
        "ss58": "5FxuS6WovEd2oEKHReSJ7VuLkquDkWrcPXSDWDc4qdHRU2FA",
        "hex": "0xac846e47fbf44e7601cbaf23d8aafe590325fe31d92ead77bf2d437210374656"
      },
      "registration_cost": "1675800" as rao
    },
```

### Other responses

| Status | Meaning |
| --- | --- |
| `400` | Bad request |
| `404` | Subnet neuron registrations 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).