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 into Polymarket can feel overwhelming if you're new to crypto. This guide covers all available pathways — ranging from the most straightforward option (credit card through MoonPay) to the most economical approach (moving assets from a trading platform).
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 (negligible amounts — typically under $0.01 per transaction)
Method 1: Buy USDC directly via MoonPay (easiest)
- Sign in to your Polymarket account
- Navigate to "Deposit" from the top menu
- Choose "Buy with card" — this launches MoonPay
- Specify your desired amount in USD/EUR/GBP
- Finish MoonPay's identity verification (typically takes around 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- USDC lands in your Polymarket wallet between 5–10 minutes
Fees: MoonPay applies roughly 3.5–5% on card transactions. This represents the quickest path but carries the highest cost per dollar.
Method 2: Transfer from Coinbase, Kraken, or Binance
For those already holding USDC or ETH at a centralised exchange:
- Retrieve your Polymarket wallet address (visible in the Deposit section)
- Initiate a withdrawal from your exchange for USDC — ensure you pick the Polygon network (Ethereum mainnet carries substantially steeper costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to complete
Fees: Most exchanges charge $1–3 as a flat withdrawal fee. This proves considerably more economical than MoonPay for sizable transfers.
⚠️ Always opt for the Polygon network when withdrawing USDC to Polymarket. Transferring via the Ethereum mainnet will trigger substantially higher fees and may require additional bridging steps.
Method 3: Bridge from Ethereum
Should you maintain USDC on Ethereum mainnet, you have the option to bridge it across to Polygon via the official Polygon Bridge or alternative bridges such as Hop Protocol. The operation typically spans 10–30 minutes and involves paying Ethereum network charges.
Minimum and maximum amounts
Polymarket enforces no formal minimum deposit threshold. Practically speaking, amounts below $10 provide limited scope for substantive market participation once spread expenses are factored in. No ceiling exists on deposits, though particularly large transactions may necessitate supplementary verification procedures.
Simpler alternative: PolyGram
PolyGram streamlines the deposit experience considerably, granting you access to Polymarket's complete order book through a more efficient account setup. Start trading on PolyGram →