In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can buy USDC directly via credit card through MoonPay (built into Polymarket) or transfer from any Polygon-compatible wallet. Minimum deposit: no official minimum, but $10+ recommended for meaningful trades.
Getting funds into Polymarket can seem daunting for those new to cryptocurrency. This guide covers all available pathways — ranging from the most straightforward option (credit card via MoonPay) to the most economical choice (moving funds from a crypto exchange).
What you need before depositing
- A verified Polymarket account (KYC completed)
- A credit/debit card OR an existing crypto exchange account
- Some MATIC for gas fees (minimal amounts — usually under $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Sign in to your Polymarket account
- Navigate to "Deposit" from the main menu
- Choose "Buy with card" — MoonPay will launch
- Specify your desired amount in USD/EUR/GBP
- Proceed through MoonPay's verification process (typically under 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- Your USDC will appear in your Polymarket wallet between 5–10 minutes
Fees: MoonPay applies a charge of roughly 3.5–5% when purchasing via card. Whilst this route offers maximum convenience, it comes at a premium cost.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already own USDC or ETH at a major centralised exchange:
- Retrieve your Polymarket wallet address (visible in the Deposit area)
- From your exchange, initiate a USDC withdrawal — ensure you select the Polygon network (choosing Ethereum will incur substantially higher costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to complete
Fees: Most exchanges charge a fixed withdrawal fee between $1–3. This proves considerably more economical than MoonPay when moving larger sums.
⚠️ Always ensure you choose the Polygon network when withdrawing USDC to Polymarket. Transferring via the Ethereum mainnet will trigger substantially higher fees and may necessitate using a bridge.
Method 3: Bridge from Ethereum
Should your USDC reside on Ethereum mainnet, you have the option to bridge it across to Polygon via the official Polygon Bridge or alternative solutions such as Hop Protocol. The transfer typically requires 10–30 minutes and will involve paying Ethereum network fees.
Minimum and maximum amounts
Polymarket does not enforce an official minimum deposit threshold. However, amounts below $10 may not provide sufficient capital for substantive trading activity once spread expenses are factored in. Deposits have no upper limit, though exceptionally large transfers might trigger additional regulatory scrutiny.
Simpler alternative: PolyGram
PolyGram streamlines the deposit experience considerably, granting you immediate access to Polymarket's comprehensive liquidity through a simplified account setup. Cross-platform odds aggregators can also help compare deposit methods. Start trading on PolyGram →