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AgentRXI Gas Prices
x402
AgentRXI Gas Prices is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).
Returns live gas prices (slow/normal/fast tips, next base fee, USD transfer cost) for Ethereum, Base, Arbitrum, Optimism, and Polygon.
Price / call$0.002
Success—
StatusUnknown
How this service works
Live gas prices on Ethereum, Base, Arbitrum, Optimism and Polygon: gas price, next base fee, slow/normal/fast priority tips, and USD cost of a simple transfer.
Output
A JSON object per requested chain containing the current gas price, predicted next base fee, slow/normal/fast priority fee tips in gwei, and the estimated USD cost of a simple ETH transfer at each speed tier.
Example use cases
Choose cheapest chain for transaction
“Compare live gas prices across all five chains — Ethereum, Base, Arbitrum, Optimism, and Polygon — and tell me which one is cheapest for a simple token transfer right now.”
DeFi timing decision
“What's the current gas price on Ethereum and what would a fast-priority transaction cost in USD? I want to know if now is a good time to execute a swap.”
Monitor Polygon gas before batch mint
“Check the current gas price on Polygon and give me the slow, normal, and fast tip estimates along with the USD cost of a transfer before I kick off my NFT batch mint.”
Technical details
Endpoint
GEThttps://agentrxi.com/v1/gas?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs real-time, multi-chain gas fee data across the five major EVM networks (Ethereum, Base, Arbitrum, Optimism, Polygon) in a single call, including USD-denominated cost estimates. Prefer it over on-chain RPC calls when you need normalized, human-readable fee tiers without parsing raw gwei values yourself.
Side effects
- Invalid chain name in comma-separated list returns an error or omits the chain
- Network congestion or upstream RPC outage may result in stale or missing data
- Malformed query parameter format returns a validation error
- Unsupported chain name silently ignored or returns empty result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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