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chain-gas-price
x402
chain-gas-price is a paid API for AI agents from chain.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Returns current gas price, base fee, priority fee in gwei, and plain ETH transfer cost for Base, Ethereum, Arbitrum, Optimism, Polygon, or BSC.
Price / call$0.01
Success—
StatusUnknown
How this service works
Current gas price, base fee and priority fee in gwei plus the cost of a plain transfer, for Base, Ethereum, Arbitrum, Optimism, Polygon or BSC. $0.01 per call.
Output
Returns the current gas price, base fee, and priority fee in gwei for the requested EVM-compatible chain, plus the estimated cost of a plain native token transfer — enabling informed decisions about transaction timing and cost.
Example use cases
Pre-transaction gas check on Base
“Before I submit this transaction on Base, can you check the current gas price and tell me what a plain transfer would cost me right now?”
Cheapest chain for sending tokens
“I need to send some tokens and want to pick the cheapest network — can you pull the current gas prices for Ethereum, Arbitrum, Optimism, and Polygon so I can compare?”
Gas spike alert for DeFi bot
“My trading bot is about to execute on Arbitrum — can you check the current base fee and priority fee in gwei so I can decide if it's worth submitting now?”
Technical details
Endpoint
GEThttps://chain.intel.rallylive.ca/chain/gas?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time gas fee data across multiple popular EVM chains in a single, normalized format (gwei + transfer cost). It is especially useful when you need cross-chain gas comparison or want to gate a transaction on current network conditions, without building your own RPC integrations. Prefer this over raw RPC calls when you want a simple, pre-parsed fee summary without handling eth_gasPrice/eth_feeHistory responses yourself.
Side effects
- Unsupported chain specified — only Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC are supported
- Payment not received or insufficient — $0.01 USDC required per call via x402
- Upstream RPC node temporarily unavailable causing stale or missing fee data
- Rate limiting if too many requests are made in rapid succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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