In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can acquire USDC via credit card through MoonPay (integrated directly into Polymarket) or move funds from any Polygon-compatible wallet. Minimum deposit: no official threshold, but $10+ suggested to enable meaningful market participation.
Getting funds onto Polymarket may seem daunting at first. This walkthrough covers all available pathways — from the most straightforward (credit card through MoonPay) to the most economical (pulling from an exchange account).
What you need before depositing
- An active Polymarket account with identity verification complete
- A debit or credit card OR an existing account at a crypto exchange
- A small amount of MATIC to cover transaction costs (negligible sums — usually under $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Sign in to your Polymarket account
- Tap "Deposit" from the main menu
- Choose "Buy with card" — MoonPay opens automatically
- Input your desired amount in USD/EUR/GBP
- Finish MoonPay's verification process (usually takes around 2 minutes)
- Submit payment using Visa, Mastercard, or Google Pay
- Your USDC shows up in your Polymarket wallet between 5–10 minutes
Fees: MoonPay applies a charge of roughly 3.5–5% on card transactions. Whilst this method offers maximum ease, it carries higher costs than alternatives.
Method 2: Transfer from Coinbase, Kraken, or Binance
If you've already purchased USDC or ETH through a centralised exchange:
- Retrieve your Polymarket wallet address (accessible via the Deposit area)
- From your exchange account, initiate a USDC withdrawal — ensure you pick the Polygon blockchain (choosing Ethereum instead triggers substantially higher costs)
- Input your Polymarket address and proceed
- Allow 2–5 minutes for the transaction to complete
Fees: Most platforms charge between $1–3 as a flat withdrawal cost. This represents considerably better value than MoonPay when moving larger sums.
⚠️ Always ensure you choose the Polygon blockchain when moving USDC to Polymarket. Using the Ethereum mainnet instead will trigger substantially elevated fees and may necessitate using a bridge protocol.
Method 3: Bridge from Ethereum
Should you possess USDC sitting on Ethereum's main chain, you may transfer it to Polygon via the official Polygon Bridge or alternative solutions such as Hop Protocol. The transfer typically requires 10–30 minutes and involves paying Ethereum network costs.
Minimum and maximum amounts
Polymarket does not enforce an official minimum deposit requirement. Practically speaking, amounts below $10 often leave insufficient capital for substantive trading once you account for market spread expenses. No upper limit exists, though unusually large deposits may prompt additional regulatory verification.
Simpler alternative: PolyGram
PolyGram streamlines the funding experience considerably, granting you entry to Polymarket's entire order book through a simplified account setup. Start trading on PolyGram →