Gas snapshot (slow / standard / · GAS Snapshot

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.005

per call · USD Coin on Base

Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled from eth_feeHistory (last 4 blocks, 25th/50th/90th percentile priority fees). Use to estimate before broadcasting a transaction from another tool.

Endpoint

POST https://agent402.tools/api/gas-snapshot

Calls / 30d

Unique payers / 30d

Sep 10

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/gas-snapshot", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "network": "base"
  }),
});
const data = await res.json();

cURL

curl -X POST \
  "https://agent402.tools/api/gas-snapshot" \
  -H "Content-Type: application/json" \
  -d '{"network":"base"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "baseFeeGwei": 0.005,
  "chainId": 8453,
  "fast": {
    "priorityFeeGwei": 0.005,
    "totalGwei": 0.01
  },
  "network": "base",
  "slow": {
    "priorityFeeGwei": 0.001,
    "totalGwei": 0.006
  },
  "standard": {
    "priorityFeeGwei": 0.002,
    "totalGwei": 0.007
  }
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0

AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913

NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

Schemesexact, upto

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