Tac

Tac

eth_gasPrice

eth_gasPrice returns the legacy gas price in wei that the node would suggest for a new transaction. It exists for backwards compatibility with pre-EIP-1559 wallets and tooling. For any modern transaction, prefer the EIP-1559 family — they price priority and base fees separately, which gives you more control.

Parameters

None.

Response shape

A hex-encoded integer in wei:

1{ "jsonrpc": "2.0", "id": 1, "result": "0x4a817c800" }

0x4a817c800 = 20,000,000,000 wei = 20 gwei.

When to use it

• Building a legacy transaction that targets a chain without EIP-1559 (rare today).
• Quick sanity check of network conditions — the returned value is "what does the node think a reasonable price is right now?"
• Backwards-compatibility code paths in tooling that still has to support pre-London chains.

When to not use it

• Building an EIP-1559 transaction. Use eth_maxPriorityFeePerGas + eth_feeHistory instead.
• Estimating gas usage. That's eth_estimateGas.
• Targeting a specific congestion level (low / standard / fast). Use a fee oracle or eth_feeHistory percentiles.

See also

• eth_maxPriorityFeePerGas — EIP-1559 priority fee suggestion.
• eth_feeHistory — historical fee distribution for percentile-based pricing.

1curl https://tac.therpc.io \
2  -X POST \
3  -H 'Content-Type: application/json' \
4  -d '{"jsonrpc":"2.0","id":1,"method":"eth_gasPrice","params":[]}'