Each networks gas fees to process transactions are paid using their own native token. Beyond gas, there are no additional costs to swap on Slingshot - Slingshot does not charge any additional fees.

Below is a Complete Guide to funding your crypto wallet for the network of your choice.

The native token on Polygon is MATIC. In order to swap on Polygon, you will need MATIC tokens for gas fees. Therefore, you will need to maintain a small balance of MATIC tokens in your wallet. The gas of a single swap on the Polygon Network is typically ~$0.01, but can fluctuate based on network congestion.

The native token on both Arbitrum and Optimism is ETH. In order to swap on either network, you will need to maintain some ETH for gas fees. Swaps on Arbitrum and Optimism typically cost a few dollars in gas, but are ~90% cheaper than what the same transaction would cost on Ethereum Mainnet.

While in the early months of their launch, Arbitrum and Optimism are both throttling transactions. Transaction fees will decrease as these safeguards are lifted.

Base is built using Optimism's technology. As such, it also uses ETH as its native token. You can expect variable but cheap gas prices, as most L2 networks.

The native token on BNB chain is BNB. In order to swap on BNB chain, you will need to maintain a small balance of BNB in your wallet to cover gas fees. A swap on BNB chain costs ~$0.25 in gas, fluctuating based on network congestion.

Transactions on Osmosis use OSMO as its native token for gas fees and requires utilizing a Keplr wallet for swapping on Slingshot. Gas fees on Osmosis swapping can be adjusted in your Keplr wallet when approving a swap.

CANTO is the native token of the Canto network. It is used to pay gas fees for transactions and can also be staked with validators to help secure the network.

Learn more about gas fee pricing, here.