> ## 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.

# Create Wallet from Private Key

> Import a wallet using an existing private key

## Method Signature

```typescript theme={null}
align.blockchain.wallets.createFromPrivateKey(
  privateKey: string
): Promise<Wallet>
```

## Parameters

<ParamField body="privateKey" type="string" required>
  The private key string (with or without `0x` prefix)
</ParamField>

## Returns

<ResponseField name="address" type="string">
  The wallet's public address
</ResponseField>

<ResponseField name="privateKey" type="string">
  The wallet's private key
</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 privateKey = "0x4c0883a69102937d6231471b5dbb628..." // Full 66-char key

    const wallet = await align.blockchain.wallets.createFromPrivateKey(privateKey);

    console.log(`Address: ${wallet.address}`);
    ```
  </Tab>

  <Tab title="JavaScript">
    ```javascript theme={null}
    const wallet = await align.blockchain.wallets.createFromPrivateKey(
      process.env.PRIVATE_KEY
    );
    console.log("Address:", wallet.address);
    ```
  </Tab>
</Tabs>

### From Environment Variable

```typescript theme={null}
// Recommended: load from secure environment
const wallet = await align.blockchain.wallets.createFromPrivateKey(
  process.env.WALLET_PRIVATE_KEY!
);

// Send a transaction
const tx = await align.blockchain.transactions.sendNativeToken(
  wallet,
  "0xRecipient...",
  "0.1",
  "polygon"
);
```

## Error Handling

```typescript theme={null}
import { AlignValidationError } from "@tolbel/align";

try {
  const wallet = await align.blockchain.wallets.createFromPrivateKey(
    "invalid-key"
  );
} catch (error) {
  if (error instanceof AlignValidationError) {
    console.error("Invalid private key format");
  }
}
```

<Warning>
  **Never expose private keys in client-side code!** Always use server-side
  operations or secure key management services.
</Warning>

## Related Methods

<CardGroup cols={2}>
  <Card title="Create Wallet" icon="wallet" href="/docs/api/blockchain/wallets/create">
    Create new random wallet
  </Card>

  <Card title="From Mnemonic" icon="key" href="/docs/api/blockchain/wallets/create-from-mnemonic">
    Import from seed phrase
  </Card>
</CardGroup>