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Base Mainnet Gas Fee Optimizer
x402
Base Mainnet Gas Fee Optimizer is a paid API for AI agents from auditor-x402.onrender.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-19).
Returns live and 10-block average base fee, priority-fee percentiles (p25/p50/p75), and a congestion label for Base Mainnet using eth_feeHistory
Price / call$0.002
Success—
StatusUnknown
How this service works
Live Base Mainnet gas data from eth_feeHistory: latest and 10-block average base fee (gwei), priority-fee percentiles (p25/p50/p75) and a congestion label.
Output
Returns the latest base fee in gwei, the 10-block rolling average base fee, priority fee percentiles at p25/p50/p75, and a human-readable congestion label (e.g. LOW / MODERATE / HIGH) derived from eth_feeHistory on Base Mainnet.
Example use cases
Pre-transaction gas check
“Before I send this transaction on Base, can you check the current gas fees and tell me if the network is congested or a good time to go?”
DeFi bot fee optimization
“My trading bot needs to know the current p25, p50, and p75 priority fees on Base mainnet so it can set the right gas tip — can you pull the latest fee data?”
Gas cost monitoring dashboard
“Pull the live base fee and 10-block average for Base mainnet and tell me if we're in a high-congestion period right now.”
Technical details
Endpoint
POSThttps://auditor-x402.onrender.com/api/base-gas-optimizer?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time, on-chain gas fee data specifically for the Base L2 network, including priority fee percentile breakdowns and a congestion classification. Prefer this over generic Ethereum gas APIs when transacting on Base, or when a DeFi agent needs to decide optimal tip levels before submitting a transaction.
Side effects
- RPC node unavailable or rate-limited — returns an error response
- Base mainnet reorg or lag causes stale block data
- Network timeout if Base node is slow to respond
- Malformed or missing request body causes 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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