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Parameters
jsonrpc
— the JSON-RPC protocol version (always “2.0”)method
— the method name (always “eth_call”)params
— array containing method parameterstransaction
— transaction object containing to, from, gas, gasPrice, value, and data fieldsblockParameter
— the block number in hexadecimal format or “latest”, “earliest”, “pending”
id
— request identifier (number or string)
Response
jsonrpc
— the JSON-RPC protocol version (“2.0”)id
— the request identifier that matches the requestresult
— the return value of the executed contract function as hex string
Use case
Thejsonrpc eth_call
method is used for:
- Reading data from smart contracts without spending gas through Web3 interfaces
- Implementing view/pure function calls in dApps and frontend applications
- Testing contract interactions and validating parameters before sending transactions
- Building real-time data displays that query contract state continuously
Body
application/json