In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can acquire USDC instantly via credit card through MoonPay (integrated directly into Polymarket) or move funds from any Polygon-enabled wallet. Minimum deposit: no formal requirement, though $10 or more is advisable for practical market participation.
Getting funds onto Polymarket can feel overwhelming for those new to cryptocurrency. This walkthrough covers all available pathways — ranging from the most straightforward option (credit card purchases via MoonPay) to the most economical solution (withdrawing from a trading platform).
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 quantity of MATIC to cover transaction costs (negligible amounts — usually under $0.01 per action)
Method 1: Buy USDC directly via MoonPay (easiest)
- Access your Polymarket account
- Select "Deposit" from the main menu bar
- Choose "Buy with card" — MoonPay will launch
- Specify your desired amount in USD/EUR/GBP
- Finish MoonPay's verification process (typically takes around 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- Your USDC will be credited to your Polymarket account between 5–10 minutes later
Fees: MoonPay applies a cost of roughly 3.5–5% for card-based transactions. Whilst this represents the quickest path to trading, it carries higher expenses than alternative methods.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already possess USDC or ETH stored on a major exchange:
- Retrieve your Polymarket wallet address (accessible via the Deposit tab)
- From your exchange account, initiate a USDC withdrawal — ensure you select the Polygon chain (choosing Ethereum instead incurs substantially higher costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to complete
Fees: Most platforms charge a flat fee between $1–3 for withdrawals. This approach proves considerably more economical than MoonPay when moving larger sums.
⚠️ Always ensure you choose the Polygon chain when moving USDC to Polymarket. Using the Ethereum mainnet pathway will trigger substantially elevated charges and may necessitate an additional bridging step.
Method 3: Bridge from Ethereum
For those holding USDC natively on the Ethereum blockchain, conversion to Polygon is achievable via the native Polygon Bridge or alternative solutions such as Hop Protocol. The operation typically requires 10–30 minutes and carries Ethereum network gas expenses.
Minimum and maximum amounts
Polymarket enforces no formal minimum deposit threshold. However, depositing less than $10 typically provides insufficient capital for meaningful market engagement once slippage is factored in. Conversely, no upper limit exists, though exceptionally large transfers may necessitate supplementary regulatory verification.
Simpler alternative: PolyGram
PolyGram streamlines the funding mechanism considerably, granting you complete access to Polymarket's market depth through an expedited account setup experience. Start trading on PolyGram →