Create Wallet from Private Key

Method Signature

align.blockchain.wallets.createFromPrivateKey(
  privateKey: string
): Promise<Wallet>

Parameters

string

required

The private key string (with or without 0x prefix)

Returns

string

The wallet’s public address

string

The wallet’s private key

Examples

TypeScript
JavaScript

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}`);

const wallet = await align.blockchain.wallets.createFromPrivateKey(
  process.env.PRIVATE_KEY
);
console.log("Address:", wallet.address);

From Environment Variable

// 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

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");
  }
}

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

Create Wallet

Create new random wallet

From Mnemonic

Import from seed phrase

Getting Started

API Reference

Create Wallet from Private Key

Method Signature

Parameters

Returns

Examples

From Environment Variable

Error Handling

Create Wallet

From Mnemonic

​Method Signature

​Parameters

​Returns

​Examples

​From Environment Variable

​Error Handling

​Related Methods

Create Wallet

From Mnemonic

Method Signature

Parameters

Returns

Examples

From Environment Variable

Error Handling

Related Methods