In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can acquire USDC immediately via credit card through MoonPay (integrated into Polymarket) or move funds from any Polygon-compatible wallet. Minimum deposit: no official threshold, though $10 or more is advisable for meaningful market participation.
Getting funds onto Polymarket can feel daunting for those new to digital assets. This walkthrough covers all available pathways — ranging from the most straightforward option (credit card via MoonPay) to the most economical choice (transferring from a major exchange).
What you need before depositing
- An active Polymarket account with identity verification completed
- A valid credit/debit card OR an existing account at a crypto exchange
- A small amount of MATIC to cover network fees (negligible sums — ordinarily under $0.01 per operation)
Method 1: Buy USDC directly via MoonPay (easiest)
- Access your Polymarket account
- Navigate to "Deposit" in the main menu
- Choose "Buy with card" — MoonPay will launch
- Specify your desired amount in USD/EUR/GBP
- Finish MoonPay's verification process (typically under 2 minutes)
- Complete payment using Visa, Mastercard, or Google Pay
- Your USDC will appear in your Polymarket account in roughly 5–10 minutes
Fees: MoonPay applies a charge of roughly 3.5–5% for card-based transactions. Whilst this represents the quickest route, it carries higher costs relative to alternatives.
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 (visible in the Deposit area)
- Initiate a withdrawal from your exchange for USDC — ensure you choose Polygon as the destination network (Ethereum carries substantially higher costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the transfer to settle
Fees: Most exchanges charge a flat withdrawal fee between $1–3. This approach proves considerably more economical than MoonPay when moving substantial sums.
⚠️ Always verify that you've selected the Polygon network before withdrawing USDC to Polymarket. Routing through the Ethereum mainnet instead will incur significantly elevated costs and may necessitate using a bridge service.
Method 3: Bridge from Ethereum
Should you maintain USDC holdings on Ethereum's main layer, you may transfer it to Polygon utilising the official Polygon Bridge or alternative services such as Hop Protocol. The operation typically requires 10–30 minutes and incurs Ethereum transaction costs.
Minimum and maximum amounts
Polymarket does not enforce an official minimum deposit threshold. However, amounts below $10 generally provide insufficient capital for substantive market engagement once spread expenses are factored in. No upper limit exists, though unusually large deposits might prompt additional regulatory review.
Simpler alternative: PolyGram
PolyGram streamlines the funding mechanism considerably, granting you entry to Polymarket's complete order book through an optimised registration process. Start trading on PolyGram →