eth_getStorageAt

Returns the value from a storage position at a given address on Optimism.

Use Cases

• Contract analysis - Read raw storage values
• State verification - Verify contract state
• Security auditing - Analyze storage layout for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients
• Protocol monitoring - Track state changes

Parameters

Parameter	Type	Required	Description
address	DATA	Yes	20-byte contract address
position	QUANTITY	Yes	Storage slot position
blockParameter	QUANTITY|TAG	Yes	Block number or tag

Request

{
  "jsonrpc": "2.0",
  "method": "eth_getStorageAt",
  "params": [
    "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
    "0x0",
    "latest"
  ],
  "id": 1
}

Code Examples

cURL

curl -X POST https://api-optimism-mainnet-archive.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_getStorageAt",
    "params": [
      "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "0x0",
      "latest"
    ],
    "id": 1
  }'

JavaScript

import { JsonRpcProvider } from 'ethers';

const provider = new JsonRpcProvider('https://api-optimism-mainnet-archive.n.dwellir.com/YOUR_API_KEY');

const address = '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045';
const slot = 0;

const storage = await provider.getStorage(address, slot);
console.log('Storage at slot 0:', storage);

Python

from web3 import Web3

w3 = Web3(Web3.HTTPProvider('https://api-optimism-mainnet-archive.n.dwellir.com/YOUR_API_KEY'))

address = '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045'
storage = w3.eth.get_storage_at(address, 0)
print(f'Storage at slot 0: {storage.hex()}')

Related Methods

• eth_getCode - Get contract bytecode
• eth_call - Call contract functions