In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can acquire USDC directly using a credit card through MoonPay (integrated into Polymarket) or move funds from any Polygon-compatible wallet. Minimum deposit: no formal requirement, though $10 or more is advisable for trades with meaningful size.
Getting funds into Polymarket can seem daunting for those new to cryptocurrency. This walkthrough covers all available pathways — ranging from the most straightforward (credit card purchase via MoonPay) to the most economical (withdrawing from a crypto exchange).
What you need before depositing
- An activated Polymarket account (identity verification completed)
- A debit or credit card OR an active account at a cryptocurrency exchange
- A small amount of MATIC to cover network fees (minimal sums — usually under $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Access your Polymarket account
- Select "Deposit" from the main menu
- Choose "Buy with card" — MoonPay will load
- Specify your desired amount in USD/EUR/GBP
- Finish MoonPay's verification process (typically takes around 2 minutes)
- Complete payment using Visa, Mastercard, or Google Pay
- Your USDC will appear in your Polymarket account within 5–10 minutes
Fees: MoonPay applies costs of roughly 3.5–5% when purchasing via card. Whilst this approach offers maximum convenience, it carries higher expenses than alternatives.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already own USDC or ETH at a major cryptocurrency exchange:
- Obtain your Polymarket wallet address (available in the Deposit area)
- From your exchange account, initiate a USDC withdrawal — ensure you choose the Polygon chain (avoid Ethereum mainnet — transaction costs are substantially higher)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to settle
Fees: Most exchanges charge a flat fee between $1–3 for withdrawals. This represents considerably better value than MoonPay when moving larger sums.
⚠️ Always ensure you pick the Polygon chain when sending USDC to Polymarket. Transferring via the Ethereum main chain will trigger substantially higher costs and may necessitate using a bridge service.
Method 3: Bridge from Ethereum
Should you possess USDC on the Ethereum main chain, you may transfer it to Polygon utilising the Polygon Bridge or alternative solutions such as Hop Protocol. The transfer typically requires 10–30 minutes and involves paying Ethereum network fees.
Minimum and maximum amounts
Polymarket does not enforce a formal minimum deposit requirement. Practically speaking, amounts below $10 often leave insufficient capital for meaningful participation once trading costs are factored in. No upper limit exists, though substantial deposits could prompt additional regulatory verification.
Simpler alternative: PolyGram
PolyGram streamlines the funding process considerably, granting you access to Polymarket's complete market depth through a simplified account setup. Start trading on PolyGram →