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Supported ChainsCronosJSON-RPC APIAccount Methods

eth_getCode - Cronos RPC Method

Get contract bytecode on Cronos. Essential for verifying smart contracts for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations.

Returns the bytecode at a given address on Cronos.

Why Cronos? Build on the EVM-compatible Crypto.com blockchain with fast finality and deep Crypto.com ecosystem integration.

Use Cases

The eth_getCode method is essential for:

  • Contract verification - Check if address is a contract
  • Security analysis - Verify deployed bytecode matches expected
  • DeFi integrations - Validate contracts before interactions
  • Protocol analysis - Analyze contract deployments for DeFi protocols, NFT marketplaces, and Crypto.com ecosystem integrations

Request Parameters

Request
addressDATA

20-byte address

blockParameterQUANTITY|TAG

Block number or tag

Response Body

Response
resultDATA

Contract bytecode or 0x if EOA

Code Examples

Bash
curl -X POST https://api-cronos-mainnet-archive.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_getCode",
    "params": [
      "0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23",
      "latest"
    ],
    "id": 1
  }'

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