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

# Bank Transfer (ACH)

> Deposit using a bank transfer (ACH) via Aeropay

**1. Add a bank**

On the Deposit screen, tap **Pay with** (or **Add payment method**), then tap **Add bank**. Before your first deposit, tap **Bank** on your Portfolio page instead.

**2. Link your bank account**

Securely link your bank account via **Aeropay**.

**3. Enter deposit amount**

Enter your deposit amount up to **\$50,000 per day**.

**4. Confirm deposit**

Tap **Deposit now**.

**5. Deposit processing**

Start trading with instant buying power. The rest of your funds become available once the deposit fully clears.

> [!NOTE]
>
> Bank transfer (ACH) deposits are limited to **\$25,000**/transaction, **\$50,000**/day, and **\$2,000,000** over a rolling 60-day period.

***

Need help? See [Troubleshooting](https://docs.polymarket.us/learn/deposits/deposit-methods/troubleshooting.md) for common issues.


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