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POST
/
95e61622bf6a8af293978377718e3b77
/
jsonrpc
eth_getCode
curl --request POST \
  --url https://tron-mainnet.core.chainstack.com/95e61622bf6a8af293978377718e3b77/jsonrpc \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_getCode",
  "id": 1,
  "params": [
    "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
    "latest"
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
TRON API method that returns the bytecode of a smart contract at a specified address, providing an Ethereum-compatible interface for accessing TRON blockchain data.
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​
Parameters

  • jsonrpc — the JSON-RPC protocol version (always “2.0”)
  • method — the method name (always “eth_getCode”)
  • params — array containing method parameters
    • address — the contract address to retrieve code from
    • blockParameter — 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 request
  • result — the contract bytecode as a hex string (returns “0x” for non-contract addresses)

​
Use case

The jsonrpc eth_getCode method is used for:
  • Verifying smart contract deployment and retrieving contract bytecode through Web3 interfaces
  • Building contract verification and analysis tools for TRON smart contracts
  • Implementing contract existence checks in dApps and development tools
  • Developing security analysis tools that examine contract code patterns

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:eth_getCode
required
​
id
integer
default:1
required
​
params
string[]
required
Required array length: 2 elements

Response

200 - application/json

Contract bytecode at the specified address

​
jsonrpc
string
​
id
integer
​
result
string

Contract bytecode as hex string (returns '0x' for non-contract addresses)

Last modified on November 1, 2025