ERC20

• getERC20Allowance: Returns the allowance for a given ERC20 token, owner, and spender
• getERC20Allowances: Returns all allowances for a given owner
• getERC20Balances: Returns ERC20 token balances for all tokens in which the given address has ever held a position

ERC721

• getERC721ApprovalsForOwner: Returns the approvals (standard and operator) for all ERC721 tokens owned by a given address
• getERC721ContractsForOwner: Returns all the contracts for which the owner owns at least one token
• getERC721TokensForOwner: Returns the ERC721 portfolio for a given address
• getOwnerForERC721Token: Returns the owner for a given ERC721 token
• getOwnersForERC721Contract: Returns the owners for a given ERC721 contract
• isHolderOfERC721Contract: Returns if any token in a given ERC721 is held by a given address

ERC1155

• getAddressesForERC1155: Returns the addresses that hold any token within a given ERC1155 contract
• getERC1155Balances: Returns ERC1155 token balances for all tokens in which the given address has ever held a position

Other

• getENSForAddress: Returns the latest ENS registration for an address
• getPriceFromUniswapV3: Returns the price of any token (denominated in any other) using Uniswap V3
• getFOIA: Returns all instances where contracts' storage mappings include a given address, in the spirit of the FOIA (Freedom of Information Act)