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 onto Polymarket may seem daunting at first, particularly for those new to cryptocurrency platforms. This comprehensive guide covers all available pathways — from the most straightforward option (credit card purchases via MoonPay) to the most economical approach (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 (tiny amounts — typically less than $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Log into your Polymarket account
- Click "Deposit" in the top navigation
- Select "Buy with card" — this opens MoonPay
- Enter the amount in USD/EUR/GBP
- Complete MoonPay's identity verification (quick, usually 2 minutes)
- Pay with Visa, Mastercard, or Google Pay
- USDC arrives in your Polymarket wallet within 5–10 minutes
Fees: MoonPay charges approximately 3.5–5% on card purchases. Whilst offering maximum convenience, this approach carries the highest cost structure.
Method 2: Transfer from Coinbase, Kraken, or Binance
For those who already possess USDC or ETH holdings on a major centralised exchange:
- Copy your Polymarket wallet address (found in the Deposit section)
- On your exchange, withdraw USDC — select Polygon network (not Ethereum — fees are much higher)
- Paste your Polymarket address and confirm
- Wait 2–5 minutes for confirmation
Fees: Typically $1–3 flat withdrawal fee on most exchanges. Considerably more economical than MoonPay when transferring substantial sums.
⚠️ Always select the Polygon network when withdrawing USDC to Polymarket. Sending on the Ethereum mainnet will result in much higher fees and may require a bridge.
Method 3: Bridge from Ethereum
Should you have USDC stored on Ethereum mainnet, you may bridge it across to Polygon utilising the official Polygon Bridge or alternative solutions such as Hop Protocol. The bridging operation typically requires 10–30 minutes and involves paying Ethereum network gas costs.
Minimum and maximum amounts
Polymarket does not enforce an official minimum deposit threshold. Practically speaking, amounts below $10 provide limited flexibility for substantive trading activity once spread expenses are factored in. No upper limit exists, though unusually large deposits could prompt enhanced regulatory scrutiny.
Simpler alternative: PolyGram
PolyGram streamlines the funding mechanism considerably, granting you full access to Polymarket's market depth through a more efficient account setup procedure. Start trading on PolyGram →