The minimum deposit amount depends on the payment method you use:
Cryptocurrencies:
BTC / ETH / BNB: $15 minimum (or equivalent)
Polkadot: $10 minimum (or equivalent)
All other supported coins/chains: $5 minimum
Fiat (Card and other fiat methods):
$30 minimum per deposit
Please always check the payment page in the Backoffice for the most up-to-date minimums before making a deposit.