eth_getBalance - Optimism RPC Method
Query account balance on Optimism. Essential for wallet applications and cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients on the heart of the Superchain powering 60%+ of Ethereum L2 transactions with $6B+ TVL.
Returns the balance of a given address on Optimism.
Why Optimism? Build on the heart of the Superchain powering 60%+ of Ethereum L2 transactions with $6B+ TVL with OP Stack modularity, Superchain interoperability, 17M+ daily transactions across 33 chains, and 20% of tokens for public goods.
Use Cases
The eth_getBalance method is essential for:
- Wallet applications - Display user balances
- Transaction validation - Check if account has sufficient funds
- DeFi applications - Monitor collateral and liquidity for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients
- Account monitoring - Track balance changes over time
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32602 | Invalid params | Invalid address format or block parameter |
| -32000 | Execution error | Node execution error |
Related Methods
eth_getCode- Get contract bytecodeeth_getTransactionCount- Get account nonce
eth_getBlockReceipts
Return every transaction receipt in a block on Optimism. Useful for indexers, analytics pipelines, and event backfills across cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients.
eth_getCode
Get contract bytecode on Optimism. Essential for verifying smart contracts for cross-chain DeFi, Superchain-interoperable dApps, and public goods funding recipients.