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https://instance_base_url/api?module=token

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Get ERC-20 or ERC-721 token by contract address

getToken Info on name, symbol, supply and type for a token contract address. Example 
https://instance_base_url/api
   ?module=token
   &action=getToken
   &contractaddress={contractaddressHash}
ParameterDescription
contractaddressstring containing the contract address hash - a 160-bit code used for identifying contracts.

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Get token holders by contract address

getTokenHolders Returns an array of token holder’s accounts and amounts held for a specified token contract address. Example 
https://instance_base_url/api
   ?module=token
   &action=getTokenHolders
   &contractaddress={contractaddressHash}
   &page={integer}
   &offset={integer}
ParameterDescription
contractaddressstring containing the contract address hash of the ERC-20/ERC-721 token
pageoptional nonnegative integer representing the page number used for pagination. ‘offset’ must also be provided.
offsetoptional nonnegative integer representing the max number of records to return when paginating. ‘page’ must also be provided.

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Get bridged tokens list

bridgedTokenList Returns an array of bridged token information (uses native bridge application and only returns when applicable - depends on implementation). Example 
https://instance_base_url/api
   ?module=token
   &action=bridgedTokenList
   &chainid={chainid}
   &page={integer}
   &offset={integer}
ParameterDescription
chainIDnonnegative integer that represents the chain id where the original token exists.
pageoptional nonnegative integer representing the page number used for pagination. ‘offset’ must also be provided.
offsetoptional nonnegative integer representing the max number of records to return when paginating. ‘page’ must also be provided.