# Get Cmc Circulating Supply

GET /v1/cmc/circulating-supply — Taostats API endpoint in the CoinMarketCap group.

_Source: https://beta.taostats.io/docs/new/cmc/get-cmc-circulating-supply_

_Last reviewed: 2026-10-07_

```http
GET https://api.taostats.io/v1/cmc/circulating-supply
```

Requires an API key in the `Authorization` header.

Bare JSON number.

## Try it

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

### Code samples

**cURL**

```bash
curl -H "Authorization: <YOUR_API_KEY>" \
  "https://api.taostats.io/v1/cmc/circulating-supply"
```

**JavaScript**

```js
const response = await fetch('https://api.taostats.io/v1/cmc/circulating-supply', {
  headers: {
    Authorization: '<YOUR_API_KEY>',
  },
});
const data = await response.json();
```

**Python**

```python
import requests

response = requests.get(
    "https://api.taostats.io/v1/cmc/circulating-supply",
    headers={"Authorization": "<YOUR_API_KEY>"},
)
data = response.json()
```

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `netuid` | query | `integer (int32)` |  | Subnet ID. Omit (or `0`) for TAO. Negative or absent is treated as TAO, matching the legacy `unwrap_or(0)` + `if netuid > 0` branch. |

## Responses

### `200` — Circulating supply in whole tokens (bare JSON number)

Returns `text/plain` — a `number (double)` body.

### `404` — Subnet not found / no issuance data (legacy plain-text body `Netuid not found`)

Returns `text/plain` — a `string` body.

### `500` — Internal server error

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `message` | `string` | Yes | Plain-english message describing the failure from the caller's perspective. |
| `status_code` | `integer (int32)` | Yes | HTTP status code (mirrored in the response status line for convenience). |

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).