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 may seem daunting at first glance. This guide covers all available pathways — from the most straightforward option (credit card purchase via MoonPay) to the most economical choice (moving funds from a major exchange).
What you need before depositing
- An activated Polymarket account (identity verification completed)
- A debit or credit card OR an active account at a cryptocurrency exchange
- A small quantity of MATIC to cover transaction costs (negligible amounts — usually under $0.01 per transaction)
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 takes around 2 minutes)
- Settle the transaction using Visa, Mastercard, or Google Pay
- Your USDC will appear in your Polymarket wallet in approximately 5–10 minutes
Fees: MoonPay applies charges ranging from 3.5–5% on card transactions. Whilst this represents the most user-friendly approach, it carries the highest relative cost.
Method 2: Transfer from Coinbase, Kraken, or Binance
Should you already possess USDC or ETH stored on a major exchange platform:
- Retrieve your Polymarket wallet address (available in the Deposit menu)
- Initiate a withdrawal from your exchange, ensuring you choose the Polygon network (avoid Ethereum — transaction costs are substantially higher)
- Input your Polymarket address and authorise the transfer
- Allow 2–5 minutes for the blockchain to process
Fees: Most exchanges charge a flat withdrawal fee between $1–3. This represents considerably better value than MoonPay for substantial deposits.
⚠️ Always ensure you select the Polygon network when moving USDC to Polymarket. Using the Ethereum mainnet instead will trigger significantly higher fees and may necessitate additional bridging steps.
Method 3: Bridge from Ethereum
For those holding USDC on Ethereum's main chain, bridging to Polygon is achievable via the official Polygon Bridge or alternative solutions such as Hop Protocol. The operation typically requires 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 market participation once spread expenses are factored in. No upper limit exists, though exceptionally large deposits may prompt additional regulatory scrutiny.
Simpler alternative: PolyGram
PolyGram streamlines the funding mechanism considerably, granting you full access to Polymarket's outcome markets through a more efficient onboarding experience. Start trading on PolyGram →