$0.001
per call · USD Coin on Base
Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.
Endpoint
POST https://md.fastdb.in/pulse/gas1
Calls / 30d
1
Unique payers / 30d
Aug 14
Last called
exact
Payment scheme
Call this service
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://md.fastdb.in/pulse/gas", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"chains": [
"base",
"ethereum"
]
}),
});
const data = await res.json();curl -X POST \
"https://md.fastdb.in/pulse/gas" \
-H "Content-Type: application/json" \
-d '{"chains":["base","ethereum"]}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"at": "2026-07-17T15:00:00.000Z",
"chains": [
"base"
],
"gas": {
"base": {
"baseFeeGwei": 0.005,
"blockNumber": 48755195,
"chain": "base",
"gasPriceGwei": 0.006,
"nativeSymbol": "ETH",
"nativeUsd": 1818.32,
"priorityFee": {
"fastGwei": 0.019,
"slowGwei": 0.0001,
"standardGwei": 0.0011
},
"transferCostUsd": 0.0002291
}
}
}Payment details
0x072f3a2bd93bb75b1eb84a9e45d17a4f90a6d801USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
More from Fastdb & similar services
Fastdb · MD
md.fastdb.in
Scrape any web page: URL to Markdown / HTML to Markdown for LLM context. Readability article extraction strips nav, ads, scripts, and footers while keeping tables and code blocks. Optional render:true executes JavaScript in a headless browser for SPAs (React/Next/Vue).
Fastdb · Pulse Odds
md.fastdb.in
Polymarket prediction market odds — live prices for any market by free-text search or slug: outcomes, prices, spread, 24h volume, liquidity, resolution date.
Fastdb · Extract
md.fastdb.in
Scrape a web page to structured JSON: title, byline, excerpt, full text, links, images, and OpenGraph meta. Web data extraction for AI agents, RAG ingestion, and LLM pipelines.