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 do incorporate Open Banking, enabling rapid and cost-free transfers. This arrangement creates an efficient GBP → USDC → Polymarket route that outperforms conventional wire transfers in both speed and expense.
Exchanges Using Open Banking for GBP Deposits
- Coinbase UK: Offers Open Banking through Plaid integration for immediate GBP transfers — zero cost
- Kraken: Integrated Open Banking for GBP across participating UK financial institutions
- Revolut: Transfers within the platform occur nearly instantaneously; Open Banking connectivity is unnecessary
How to Use Open Banking to Fund Polymarket
- Step 1: Within Coinbase UK, navigate to "Add funds" → "Open Banking"
- Step 2: Verify your identity with your financial institution (Barclays, HSBC, Lloyds, Monzo, and others)
- Step 3: Initiate a GBP transfer — funds appear in your Coinbase account within moments (usually 60 seconds or less)
- Step 4: Exchange your GBP 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 transfers typically settle instantly (compared to 2 hours for standard Faster Payments), incur zero deposit charges, and eliminate the need to manually input sort codes or account details — thereby minimising the likelihood of transaction errors.
Which UK Banks Support Open Banking for Crypto?
The vast majority of UK's leading financial institutions comply with the FCA's PSD2 regulatory framework for Open Banking: Barclays, HSBC, Lloyds, NatWest, Santander, Monzo, Starling, and Revolut all enable Open Banking authorisation.