Chains Supported

Method	Description	Ethereum	Polygon	Arbitrum	Optimism	Base	Astar	Solana
alchemy_getTokenBalances	Returns ERC20 token balances for all tokens the given address has ever transacted in with. Optionally accepts a list of contracts.	All Networks	All Networks	All Networks	All Networks	All Networks	Unsupported	Unsupported
alchemy_getTokenMetadata	Returns metadata (name, symbol, decimals, logo) for a given token contract address.	All Networks	All Networks	All Networks	All Networks	All Networks	Unsupported	Unsupported
alchemy_getTokenAllowance	Returns the amount which the spender is allowed to withdraw from the owner.	All Networks	All Networks	All Networks	All Networks	Unsupported	Unsupported	Unsupported