Live gas price across Base, Ethereum, Arbitrum, Optimism, Polygon and BSC sorted cheapest first - lets agents pick the cheapest chain to execute an operation right now, real-time data that changes constantly and LLMs cannot know. gas comparison, cheapest chain, multi chain gas, gas prices, which chain cheapest, cross chain gas Accepts payment on Base or Solana — either network works.
GET https://api.x402node.dev/chain/gas-compareListed in 3 directories: bazaar, x402-list, x402-new. First seen 5 Sept 2026.
The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, account);
const res = await pay("https://api.x402node.dev/chain/gas-compare", {
method: "GET",
});
console.log(await res.json());api.x402node.dev
Heuristic honeypot and risk check for an ERC20 token via on-chain eth_call - detects active owner control and transfer restrictions that can trap buyers, on Ethereum and Base. honeypot check, honeypot detector, can i sell token, token scam check, rug detection, transfer restriction Accepts payment on Base or Solana — either network works.
BaseOnchainAapi.x402node.dev
Structured page extraction — clean markdown plus extracted links and headings as structured data, via managed retrieval with JS rendering. For RAG, crawling and content analysis. web extract, structured extraction, links, headings, markdown, rag, crawling, content analysis Accepts payment on Base or Solana — either network works.
BaseSearch & webAapi.x402node.dev
Batch page fetch — read up to 5 URLs in one call and return clean markdown for each, via managed unlocking with residential routing and JS rendering. For bulk RAG ingestion, multi-source research, crawling and dataset building. batch read, bulk fetch, multi-url, crawler, web scraping, rag ingestion, parallel fetch, dataset building Accepts payment on Base or Solana — either network works.
BaseSearch & webAapi.x402node.dev
Public professional profile or company page fetch — clean content via managed retrieval with residential routing and JS rendering. For B2B research, lead enrichment and recruiting intelligence. linkedin, profile lookup, company data, b2b research, lead enrichment, recruiting, walled-garden data Accepts payment on Base or Solana — either network works.
BaseSocial & communityAapi.x402node.dev
US airport status from FAA: all airports currently with closures, ground stops, ground delays or arrival delays, with reasons and times. Official FAA NAS status data. 全美机场状态（FAA官方）：当前关闭、地面停飞、延误的机场及原因。米国空港運航状況。Estado de aeropuertos de EEUU. 미국 공항 운영 상태. Accepts payment on Base or Solana — either network works.
BaseEverything elseAapi.x402node.dev
Composite smart-money score (0-100) for any trader wallet - combines realized profit, ROI and trading scale into one rating with tier (elite/strong/competent), after filtering out contracts so only real traders are scored - a computed judgment for agents ranking wallets to copy-trade or vet against other sources. smart money score, wallet rating, is this wallet smart money, trader score, copy trade ranking, wallet quality Accepts payment on Base or Solana — either network works.
BaseOnchainAUptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.