Supported Chains

Mainnet Chains

Name	Chain ID
Monad	143
Arbitrum	42161
Base	8453
Blast	81457
BNB Smart Chain	56
Ethereum	1
HyperEVM	999
Ink	57073
Lens	232
Linea	59144
Lisk	1135
Mode	34443
Optimism	10
Plasma	9745
Polygon	137
Scroll	534352
Soneium	1868
Solana	34268394551451
Unichain	130
World Chain	480
zkSync	324
Zora	7777777

Please note that Aleph Zero, a previously supported chain, has been decommissioned and is no longer available for integration.

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Testnet Chains

Name	Chain ID
Arbitrum	421614
Base	84532
Blast	168587773
Ethereum	11155111
Lisk	4202
Mode	919
Optimism	11155420
Polygon (Amoy)	80002

The following Sepolia testnet deployments are supported. Deployment address are maintained here.

For supported tokens/routes, see the Across testnet available-routes API endpoint.