> For the complete documentation index, see [llms.txt](https://docs.fastnode.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fastnode.io/other-protocols/ton.md).

# Telegram Open Network

The Telegram Open Network API provides secure, low-latency access to the Telegram Open Network through a **JSON-RPC** interface for The Open Network (toncenter-compatible). FastNode operates **full and archive** nodes for this network, so you can read on-chain data and submit transactions without running your own infrastructure.

## Endpoints

| Environment | Endpoint                                        |
| ----------- | ----------------------------------------------- |
| Mainnet     | `https://ton.fastnode.cc/YOUR-API-KEY/`         |
| Testnet     | `https://ton-testnet.fastnode.cc/YOUR-API-KEY/` |
| Archive     | `https://ton-archive.fastnode.cc/YOUR-API-KEY/` |
| WebSocket   | `wss://ton.fastnode.cc/YOUR-API-KEY`            |

## Example request

{% tabs %}
{% tab title="cURL" %}

```bash
curl --location 'https://ton.fastnode.cc/YOUR-API-KEY/' \
  --header 'Content-Type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getMasterchainInfo",
    "params": []
  }'
```

{% endtab %}

{% tab title="Python" %}

```python
import requests

url = "https://ton.fastnode.cc/YOUR-API-KEY/"
payload = {"jsonrpc": "2.0", "id": 1, "method": "getMasterchainInfo", "params": []}
print(requests.post(url, json=payload).json())
```

{% endtab %}
{% endtabs %}

**Response**

```json
{ "jsonrpc": "2.0", "id": 1, "result": { "last": { "workchain": -1, "seqno": 41230457 } } }
```

## Common methods

| Method                  | Description                                     |
| ----------------------- | ----------------------------------------------- |
| `getMasterchainInfo`    | Returns the current masterchain state.          |
| `getAddressInformation` | Returns balance, state and code of an address.  |
| `getAddressBalance`     | Returns the balance of an address.              |
| `getTransactions`       | Returns transaction history for an address.     |
| `getBlockHeader`        | Returns block header metadata.                  |
| `runGetMethod`          | Executes a get-method of a smart contract.      |
| `sendBoc`               | Broadcasts a serialized external message (BoC). |
| `estimateFee`           | Estimates fees for an external message.         |

{% hint style="info" %}
The table above lists the most-used methods. For the complete method set, see the [TON documentation](https://docs.ton.org/). All standard methods are supported unless noted otherwise.
{% endhint %}

***

Need higher limits, archive depth, or methods not enabled on the shared plan? Contact **<support@fastnode.io>** or deploy a dedicated node from the dashboard.


---

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