Onchain Query API

chain.cyberwarex.com · x402

Live gas across Base, Ethereum, Arbitrum, Optimism and Polygon in ONE call, sorted cheapest first: gas price, base fee, median priority fee and the estimated USD cost of a 21k-gas transfer and a 200k-gas swap on each chain. Lets an agent pick the cheapest chain to execute on, or size a fee, without five separate RPC calls. 10-second cache.

Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 20:31 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

How addrbook checks →

Connect

https://chain.cyberwarex.com/gas-compare

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 25 Oct, 19:51 UTC
Wallets named: 0x058d0cc5cc97e61e8a9f38d6d6365bce525921b2named by x402 Bazaar
Listed since: 25 Oct 2026, 17:51 UTC

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
chain.cyberwarex.com	x402	Live	25 Oct, 20:31	25 Oct, 20:31	100%	100%	—

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