---
title: "Coinbase Cb App Private JavaScript SDK Example | Siebly"
description: "Coinbase cb app private JavaScript example for the Siebly Coinbase SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs."
canonical: "https://siebly.io/examples/Coinbase/CoinbaseApp/Private/cb-app-private"
robots: "index,follow"
---

# Coinbase Cb App Private JavaScript SDK Example

Coinbase cb app private JavaScript example for the Siebly Coinbase SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs.

**Path:** [Home](/) / [Examples](/examples) / [Coinbase](/examples/Coinbase) / [CoinbaseApp](/examples/Coinbase/CoinbaseApp) / [Private](/examples/Coinbase/CoinbaseApp/Private) / [cb-app-private.ts](/examples/Coinbase/CoinbaseApp/Private/cb-app-private)

[View source on GitHub](https://github.com/sieblyio/crypto-api-examples/blob/master/examples/Coinbase/CoinbaseApp/Private/cb-app-private.ts)

[Open the Coinbase JavaScript SDK guide](/sdk/coinbase/javascript)

## cb-app-private.ts

```typescript
/**
 * import { CBAppClient } from 'coinbase-api';
 * const { CBAppClient } = require('coinbase-api');
 */

import { CBAppClient } from 'coinbase-api';

// initialise the client
/**
 *
 * You can add both ED25519 and ECDSA keys, client will recognize both types of keys
 *
 * ECDSA:
 *
 * {
 *   apiKey: 'organizations/your_org_id/apiKeys/your_api_key_id',
 *   apiSecret:
 *     '-----BEGIN EC PRIVATE KEY-----\nMHcCAQEEIPT/TTZPxw0kDGvpuCENJp9A4/2INAt9/QKKfyidTWM8oAoGCCqGSM49\nAwEHoUQDQgAEd+cnxrKl536ly5eYBi+8dvXt1MJXYRo+/v38h9HrFKVGBRndU9DY\npV357xIfqeJEzb/MBuk3EW8cG9RTrYBwjg==\n-----END EC PRIVATE KEY-----\n',
 * }
 *
 * ED25519:
 * {
 *   apiKey: 'your-api-key-id',
 *   apiSecret: 'yourExampleApiSecretEd25519Version==',
 * }
 *
 *
 */
const client = new CBAppClient({
  apiKey: process.env.API_KEY_NAME || 'insert_api_key_here',
  apiSecret: process.env.API_PRIVATE_KEY || 'insert_api_secret_here',
});

async function main() {
  try {
    // Deposit funds to your fiat account
    const depositResult = await client.depositFunds({
      account_id: 'your_fiat_account_id',
      amount: '100.00',
      currency: 'USD',
      payment_method: 'your_payment_method_id',
    });
    console.log('Deposit Result: ', depositResult);

    // Withdraw funds from fiat account
    const withdrawResult = await client.withdrawFunds({
      account_id: 'your_fiat_account_id',
      amount: '50.00',
      currency: 'USD',
      payment_method: 'your_payment_method_id',
    });
    console.log('Withdraw Result: ', withdrawResult);

    // Send money to another user
    const sendMoneyResult = await client.sendMoney({
      account_id: 'your_crypto_account_id',
      type: 'send',
      to: 'recipient_address_or_email',
      amount: '0.01',
      currency: 'BTC',
    });
    console.log('Send Money Result: ', sendMoneyResult);

    // Transfer money between your own accounts
    const transferMoneyResult = await client.transferMoney({
      account_id: 'your_source_account_id',
      type: 'transfer',
      to: 'your_destination_account_id',
      amount: '0.01',
      currency: 'BTC',
    });
    console.log('Transfer Money Result: ', transferMoneyResult);
  } catch (e) {
    console.error('Error: ', e);
  }
}

main();
```