In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can purchase USDC immediately using a 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 meaningful participation in trades.
Getting funds into Polymarket can seem daunting for those new to cryptocurrency. This walkthrough covers all available pathways — from the most straightforward option (credit card through MoonPay) to the most economical approach (withdrawing from an exchange).
What you need before depositing
- An activated Polymarket account (identity verification complete)
- A debit or credit card OR an existing account with a crypto exchange
- A small amount of MATIC to cover transaction costs (negligible sums — ordinarily 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 open
- Specify your desired amount in USD/EUR/GBP
- Go through MoonPay's verification process (straightforward, typically under 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- Your USDC will appear in your Polymarket wallet in 5–10 minutes
Fees: MoonPay applies charges of around 3.5–5% for card-based transactions. Whilst this method offers maximum simplicity, it carries higher costs relative to alternatives.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already own USDC or ETH through a centralised exchange:
- Retrieve your Polymarket wallet address (available in the Deposit area)
- From your exchange, initiate a USDC withdrawal — ensure you choose the Polygon network (avoid Ethereum mainnet — transaction costs are substantially greater)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to complete
Fees: Most exchanges impose a flat withdrawal charge of $1–3. This represents considerably lower costs than MoonPay, particularly for substantial transfers.
⚠️ Always designate the Polygon network when moving USDC to Polymarket. Utilising the Ethereum mainnet will trigger substantially elevated costs and may necessitate an additional bridging step.
Method 3: Bridge from Ethereum
Should your USDC reside on Ethereum mainnet, you may transfer it to Polygon via the native Polygon Bridge or alternative solutions such as Hop Protocol. The transaction duration ranges from 10–30 minutes and involves paying Ethereum network fees.
Minimum and maximum amounts
Polymarket does not enforce an official minimum deposit threshold. Practically speaking, amounts below $10 offer limited scope for substantive trading once spread expenses are factored in. No upper limit exists, though unusually large deposits may prompt supplementary verification procedures.
Simpler alternative: PolyGram
PolyGram streamlines the deposit experience considerably, granting you entry to Polymarket's complete market depth through a simplified registration process. Start trading on PolyGram →