base_transactionStatus - Base RPC Method
Check whether a transaction exists in the Base mempool. Part of the base_ namespace introduced with Flashblocks.
Checks whether a transaction exists in the Base mempool. Returns "Known" if the transaction is pending in the mempool, or "Unknown" if it is not found (either already included in a block or never submitted).
This method is part of the base_ namespace introduced with Flashblocks support.
Availability
Currently available on Base Mainnet only.
Use Cases
- Transaction tracking — Check if a submitted transaction is still pending
- Mempool monitoring — Verify transaction propagation
- Retry logic — Determine whether to resubmit a transaction
Code Examples
Related Methods
eth_getTransactionByHash— Get full transaction detailseth_getTransactionReceipt— Get transaction receipteth_sendRawTransactionSync— Send transaction with synchronous confirmation
Need help? Contact our support team or check the Base documentation.
eth_simulateV1 - Base RPC Method
Simulate transaction bundles against preconfirmed Flashblocks state on Base. Useful for previewing complex multi-call outcomes before submitting.
eth_estimateL1Fee - Estimate L1 data posting fee
Estimate L1 data posting fee on Base. Essential for blockchain interaction.