Onchain's native Swap currently supports the following blockchains:
Cronos
Ethereum
BNB Smart Chain
Fantom
Avalanche
Polygon
Gnosis
Arbitrum
Optimism
Solana
The tokens supported are backed by the DEXes used to support the underlying trade. Onchain's swap function is powered by:
DeFi Swap
1inch V4
PancakeSwap
SpookySwap
TraderJoe
Sushiswap
VVS Finance
Velodrome Finance
Jupiter