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

# About exchange accounts

> Connect exchange accounts via API to track balances and automate withdrawals

## Overview

The exchange accounts module lets you connect crypto exchange accounts via API. Once connected, you can track real-time balances and use exchanges as withdrawal sources in the [transfer module](/transfers/about-transfers).

<Frame>
  <img src="https://mintcdn.com/oxygenparadigm/St-k5Qis-oqMiVg_/images/atmos_ui/cex_accounts/atmos_cex_accounts_bitget_balances.png?fit=max&auto=format&n=St-k5Qis-oqMiVg_&q=85&s=2c7be0275b44eebc8ec1eb149b960af2" alt="Exchange account with token balances" width="1400" height="840" data-path="images/atmos_ui/cex_accounts/atmos_cex_accounts_bitget_balances.png" />
</Frame>

**Supported exchanges:** Binance, OKX, MEXC, Bitget

<Note>
  Oxygen Atmos only shows token balances that are **available for withdrawal** — tokens locked in futures positions, staking, or farming are excluded.
</Note>

## Account limits

| Condition              | Limit per exchange |
| ---------------------- | ------------------ |
| Less than 500 profiles | 1 account          |
| 500 or more profiles   | 5 accounts         |

## Add an exchange account

<Steps>
  <Step title="Create API keys">
    Generate API keys on your exchange. See [API key setup](/exchange-accounts/api-key-setup) for step-by-step guides for each exchange.
  </Step>

  <Step title="Open the accounts tab">
    Navigate to **CEX accounts** in the left sidebar.
  </Step>

  <Step title="Add account">
    Click **Add Account** and select your exchange.

    <Frame>
      <img src="https://mintcdn.com/oxygenparadigm/St-k5Qis-oqMiVg_/images/atmos_ui/cex_accounts/atmos_cex_accounts_adding_account.png?fit=max&auto=format&n=St-k5Qis-oqMiVg_&q=85&s=03093a132e90764e0c5c761dda649f36" alt="Add exchange account form" width="1400" height="840" data-path="images/atmos_ui/cex_accounts/atmos_cex_accounts_adding_account.png" />
    </Frame>
  </Step>

  <Step title="Enter API credentials">
    Fill in the fields:

    | Field          | Description                                          |
    | -------------- | ---------------------------------------------------- |
    | **Alias**      | Display name for the account                         |
    | **API Key**    | Your exchange API key                                |
    | **API Secret** | Your exchange secret key                             |
    | **Passphrase** | Required for OKX and Bitget only                     |
    | **Proxy**      | Optional — toggle to assign a proxy for API requests |
  </Step>

  <Step title="Confirm">
    Click **Add Account**. The account appears in the list with its current balances.
  </Step>
</Steps>

## Edit API keys

To update credentials for a connected account:

1. Click the **edit icon** next to the exchange account
2. Update the **alias**, **API key**, **secret key**, or **passphrase**
3. Click **Save Changes**

## Quick links

<CardGroup cols={2}>
  <Card title="API key setup" icon="key" href="/exchange-accounts/api-key-setup">
    Step-by-step guides for Binance, OKX, MEXC, and Bitget.
  </Card>

  <Card title="CEX withdrawal" icon="arrow-right-from-bracket" href="/transfers/cex-withdrawal">
    Withdraw tokens from exchanges to your wallets.
  </Card>
</CardGroup>