In this guide
Does Polymarket Support Open Banking in the UK?
Polymarket itself does not offer native Open Banking functionality. That said, numerous UK-based cryptocurrency platforms that convert GBP into USDC have integrated Open Banking, enabling rapid, cost-free deposits. This route—GBP → USDC → Polymarket—delivers superior speed and lower costs relative to conventional wire transfers.
Exchanges Using Open Banking for GBP Deposits
- Coinbase UK: Offers Open Banking via Plaid integration for zero-fee, instantaneous GBP deposits
- Kraken: GBP Open Banking connectivity available for qualifying UK financial institutions
- Revolut: Transfers within the platform occur near-instantaneously; Open Banking integration is optional
How to Use Open Banking to Fund Polymarket
- Step 1: Navigate to Coinbase UK, choose "Add funds" → "Open Banking"
- Step 2: Log in through your bank provider (Barclays, HSBC, Lloyds, Monzo, and others)
- Step 3: Initiate a GBP transfer—funds land in your Coinbase account almost immediately, often within a minute
- Step 4: Exchange your balance for USDC on the Polygon blockchain
- Step 5: Send to your MetaMask wallet → complete your Polymarket deposit
Benefits of Open Banking vs Traditional Bank Transfer
Open Banking transactions settle instantly (compared to the standard 2-hour window for Faster Payments), carry zero deposit charges, and eliminate the need to manually input sort codes and account numbers—thereby minimising input mistakes.
Which UK Banks Support Open Banking for Crypto?
The vast majority of UK's leading financial institutions comply with the FCA's PSD2 regulatory mandate and enable Open Banking: Barclays, HSBC, Lloyds, NatWest, Santander, Monzo, Starling, and Revolut all permit Open Banking-based authentication.