> ## Documentation Index
> Fetch the complete documentation index at: https://align.tolbel.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Network Info

> Get configuration details for a blockchain network

## Method Signature

```typescript theme={null}
align.blockchain.providers.getNetworkInfo(
  network: Network
): NetworkConfig
```

## Parameters

<ParamField body="network" type="string" required>
  Network identifier
</ParamField>

## Returns

<ResponseField name="chainId" type="number">
  Network chain ID
</ResponseField>

<ResponseField name="name" type="string">
  Network name
</ResponseField>

<ResponseField name="rpcUrl" type="string">
  Default RPC URL
</ResponseField>

<ResponseField name="nativeCurrency" type="object">
  Currency info (name, symbol, decimals)
</ResponseField>

<ResponseField name="blockExplorer" type="string">
  Block explorer URL
</ResponseField>

## Examples

<Tabs>
  <Tab title="TypeScript">
    ```typescript theme={null}
    import Align from "@tolbel/align";

    const align = new Align({
      apiKey: process.env.ALIGN_API_KEY!,
      environment: "sandbox",
    });

    const config = align.blockchain.providers.getNetworkInfo("polygon");

    console.log(`Chain ID: ${config.chainId}`);        // 137
    console.log(`Name: ${config.name}`);               // Polygon
    console.log(`Currency: ${config.nativeCurrency.symbol}`); // POL
    console.log(`Explorer: ${config.blockExplorer}`);  // https://polygonscan.com
    ```
  </Tab>

  <Tab title="JavaScript">
    ```javascript theme={null}
    const config = align.blockchain.providers.getNetworkInfo("base");
    console.log(config.chainId); // 8453
    ```
  </Tab>
</Tabs>

### Generate Block Explorer Link

```typescript theme={null}
function getExplorerLink(txHash: string, network: string) {
  const config = align.blockchain.providers.getNetworkInfo(network);
  return `${config.blockExplorer}/tx/${txHash}`;
}

const link = getExplorerLink("0x123...", "polygon");
// https://polygonscan.com/tx/0x123...
```

### Supported Networks

| Network  | Chain ID | Currency |
| -------- | -------- | -------- |
| ethereum | 1        | ETH      |
| polygon  | 137      | POL      |
| base     | 8453     | ETH      |
| arbitrum | 42161    | ETH      |
| optimism | 10       | ETH      |

## Related Methods

<CardGroup cols={2}>
  <Card title="Get Provider" icon="server" href="/docs/api/blockchain/providers/get-provider">
    Get RPC provider
  </Card>

  <Card title="Set Custom RPC" icon="gear" href="/docs/api/blockchain/providers/set-custom-rpc">
    Configure RPC URL
  </Card>
</CardGroup>