eth_call - opBNB RPC Method
Execute smart contract calls without creating transactions on opBNB. Essential for reading contract state for fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain.
Executes a new message call immediately without creating a transaction on opBNB. Used for reading smart contract state.
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_call method is essential for:
- Reading contract state - Query view/pure functions
- Simulating transactions - Test execution without gas costs
- DeFi integrations - Check prices, balances, allowances for fully on-chain games, high-frequency DeFi, and cost-sensitive applications on BNB Chain
- Complex queries - Execute multi-step contract logic
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32000 | Execution reverted | Contract function reverted |
| -32602 | Invalid parameters | Invalid data encoding |
| -32015 | VM execution error | Contract logic error |
Related Methods
eth_estimateGas- Estimate gas for transactioneth_sendRawTransaction- Send actual transaction
eth_sendTransaction
Send a transaction from an unlocked account on opBNB. Requires the node to hold the sender's private key — intended for development and testing only.
eth_getLogs
Query event logs on opBNB. Essential for indexing 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.