eth_getBalance - opBNB RPC Method
Query account balance on opBNB. Essential for wallet applications and fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain on Binance's high-performance L2 processing 100M+ daily transactions with the lowest L2 gas fees.
Returns the balance of a given address on opBNB.
Why opBNB? Build on Binance's high-performance L2 processing 100M+ daily transactions with the lowest L2 gas fees with sub-$0.0001 gas fees, 5-10K TPS, sub-second block times via Volta/Maxwell upgrades, and OP Stack architecture.
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 fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain
- 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 opBNB. Useful for indexers, analytics pipelines, and event backfills across fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain.
eth_getCode
Get contract bytecode on opBNB. Essential for verifying smart contracts for fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain.