Interactive checklist

Gas

Have Base ETH for gas

Toshi Mart can route the trade, but the wallet still pays the network fee in ETH on Base. This site does not quote that fee.

1. 1 Look for ETH on Base

   In the wallet, with Base selected, look for an ETH balance. ETH on another network does not pay Base gas.

2. 2 Bridge or withdraw to Base

   Use an exchange or bridge you already trust to land ETH on Base. This site does not run a bridge and does not pick one for you.

3. 3 Leave the fee untouched

   Do not spend the entire ETH balance on the trade. The network fee is separate from the amount you swap.

4. 4 Ignore invented minimums

   This site does not publish a minimum buy, a gas number, or a recommended size.