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Skill · Cheapest Rail

Guest listing — agent402.tools. Where should an agent transact this minute? Live gas on Ethereum + every major L2 side by side, Base gas tiers, a fee estimate for your transaction type, and ETH spot to price it all in dollars. Cheapest rail right now skill pack: one x402 payment runs 4 underlying tools (l2-gas-comparison, gas-snapshot, gas-estimate, crypto-price); partial-success per step.

POST https://agent402.tools/api/skill/cheapest-rail

0.009 USDC on Base · payTo 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0

Status: verified · payable

Settlement: direct to the seller's payTo — 0% HIVE402 take

Payment routes

{
  "args": {
    "networks": "ethereum,base,arbitrum,optimism,polygon"
  },
  "pack": "cheapest-rail",
  "steps": [
    {
      "ok": true,
      "result": {},
      "slug": "l2-gas-comparison"
    },
    {
      "ok": true,
      "result": {},
      "slug": "gas-snapshot"
    },
    {
      "ok": true,
      "result": {},
      "slug": "gas-estimate"
    },
    {
      "ok": true,
      "result": {},
      "slug": "crypto-price"
    }
  ],
  "summary": "4/4 steps succeeded"
}