In this guide
Key takeaway: Polymarket requires USDC on the Polygon network. You can acquire USDC immediately via credit card through MoonPay (integrated directly into Polymarket) or move funds from any Polygon-compatible wallet. Minimum deposit: no formal requirement, though $10 or more is advisable for meaningful market participation.
Getting funds onto Polymarket can seem daunting for those new to decentralised prediction markets. This walkthrough covers all available pathways — from the most straightforward approach (credit card via MoonPay) to the most economical solution (moving from a major exchange).
What you need before depositing
- A verified Polymarket account (identity verification completed)
- A credit or debit card OR an active account at a cryptocurrency exchange
- A small amount of MATIC for transaction costs (negligible sums — typically 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 load
- Specify your desired amount in USD/EUR/GBP
- Proceed through MoonPay's verification process (typically completed in under 2 minutes)
- Settle payment using Visa, Mastercard, or Google Pay
- USDC deposits into your Polymarket wallet between 5–10 minutes later
Fees: MoonPay levies approximately 3.5–5% on card transactions. Whilst this represents the quickest onboarding method, it carries the highest cost per dollar.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already possess USDC or ETH at a major exchange:
- Retrieve your Polymarket wallet address (visible in the Deposit area)
- Initiate a withdrawal from your exchange for USDC — ensure you select the Polygon network (Ethereum mainnet carries substantially steeper costs)
- Input your Polymarket address and authorise the transaction
- Allow 2–5 minutes for the blockchain to process
Fees: Most platforms impose a $1–3 flat withdrawal charge. For substantial transfers, this proves considerably more economical than the MoonPay route.
⚠️ Always confirm you are withdrawing via the Polygon network when moving USDC to Polymarket. Routing through Ethereum mainnet results in substantially elevated expenses and may necessitate additional bridging steps.
Method 3: Bridge from Ethereum
Should your USDC reside on Ethereum mainnet, the official Polygon Bridge or alternative protocols such as Hop Protocol can facilitate the transfer to Polygon. Completion typically occurs within 10–30 minutes, though Ethereum network fees will apply.
Minimum and maximum amounts
Polymarket enforces no formal deposit floor. Practically speaking, amounts below $10 provide limited flexibility for trading given typical market spreads. No ceiling exists on deposits, though unusually large transfers may necessitate supplementary regulatory compliance procedures.
Simpler alternative: PolyGram
PolyGram streamlines the funding experience substantially, granting you entry to Polymarket's complete order book through a simplified account setup process. Start trading on PolyGram →