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 onto Polymarket may seem daunting for those new to cryptocurrency. This walkthrough covers all available pathways — from the quickest option (credit card purchase via MoonPay) to the most economical choice (transferring from a major 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)
- Access your Polymarket account
- Navigate to "Deposit" at the top of the page
- Choose "Buy with card" — MoonPay will open
- Specify your desired amount in USD/EUR/GBP
- Finish MoonPay's identity check (typically around 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- Your USDC appears in your Polymarket wallet in roughly 5–10 minutes
Fees: MoonPay applies roughly 3.5–5% on card transactions. Whilst this offers maximum convenience, it represents the priciest approach.
Method 2: Transfer from Coinbase, Kraken, or Binance
For those already holding USDC or ETH at a major exchange:
- Retrieve your Polymarket wallet address (available in the Deposit section)
- From your exchange, initiate a USDC withdrawal — ensure you select Polygon network (Ethereum mainnet carries substantially higher costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to settle
Fees: Most exchanges charge $1–3 as a flat withdrawal fee. This proves considerably more economical than MoonPay when moving larger sums.
⚠️ Always choose the Polygon network when withdrawing USDC to Polymarket. Using the Ethereum mainnet will trigger substantially higher fees and may necessitate a bridge transaction.
Method 3: Bridge from Ethereum
Should you possess USDC on Ethereum mainnet, you may transfer it to Polygon via the official Polygon Bridge or alternative solutions such as Hop Protocol. The bridge typically requires 10–30 minutes and involves Ethereum gas expenses.
Minimum and maximum amounts
Polymarket imposes no formal minimum deposit requirement. However, deposits below $10 offer limited scope for substantive wagering given spread expenses. There exists no upper limit, though substantial deposits may prompt additional regulatory verification.
Simpler alternative: PolyGram
PolyGram streamlines the deposit experience considerably, granting you access to Polymarket's entire liquidity pool via a simplified account setup. Start trading on PolyGram →