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Multi-chain Gas Snapshot
x402
Multi-chain Gas Snapshot is a paid API for AI agents from automaton-tx-explainer.vercel.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-17).
Returns live gas prices, base fees, block utilization, and estimated transfer costs for Base, Ethereum, and BNB Smart Chain.
Price / call$0.005
Success—
StatusUnknown
How this service works
Live gas snapshot for Base, Ethereum and BNB Smart Chain: gas price, base fee, block utilization, and estimated native cost of a transfer, ERC-20 transfer and swap.
Output
Returns a live snapshot per requested chain (or all three) including: current gas price (gwei), base fee (gwei), block utilization percentage, and estimated native-token cost of a standard ETH/BNB transfer, an ERC-20 token transfer, and a swap operation.
Example use cases
Cheapest chain for a token swap
“Which chain has the lowest gas fees right now for doing a swap — Base, Ethereum, or BNB Smart Chain? Show me the estimated cost in native tokens.”
Pre-flight gas check before a transaction
“Before I send my USDC on Ethereum, can you check the current gas price and tell me roughly how much an ERC-20 transfer will cost me right now?”
Monitor Base network congestion
“How congested is the Base network at the moment? I want to know the current gas price, base fee, and block utilization before I decide when to transact.”
Technical details
Endpoint
GEThttps://automaton-tx-explainer.vercel.app/v1/gas?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a real-time, multi-chain gas snapshot covering Base, Ethereum, and BNB Smart Chain in a single call, including actionable cost estimates for common operations (transfer, ERC-20 transfer, swap) rather than just a raw gas price. Prefer this over chain-specific gas APIs when comparing chains or when you need block utilization context alongside cost estimates.
Side effects
- Invalid chain parameter — must be one of: all, base, ethereum, bsc
- Upstream RPC node unavailable — snapshot data may be stale or request may fail
- Payment not received or x402 protocol failure — call is rejected before data is returned
- Network timeout if any chain's node is slow to respond
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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