$0.005
per call · USD Coin on Base
Transaction count (nonce) for an address across 7 EVM chains, including pending vs confirmed to reveal stuck mempool transactions - agents need the correct nonce to build and send transactions and to detect pending txs. nonce, transaction count, account nonce, pending transactions, next nonce, tx count Accepts payment on Base or Solana — either network works.
Endpoint
GET https://api.x402node.dev/chain/account-nonce8
Calls / 30d
3
Unique payers / 30d
Sep 8
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://api.x402node.dev/chain/account-nonce", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.x402node.dev/chain/account-nonce?address=string&chain=string" \
-H "X-PAYMENT: <signed x402 payment>"Payment details
0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125eUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
More from X402node & similar services
X402node · Chain Honeypot
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.
X402node · WEB Read
api.x402node.dev
Read any web page as clean, LLM-ready markdown — managed unlocking with residential IPs, IP rotation, automated CAPTCHA solving and full JavaScript rendering; overcomes blocks. For RAG ingestion, agent browsing and access-controlled pages. web read, fetch page, scrape, markdown, unblock, javascript rendering, rag ingestion, agent browsing Accepts payment on Base or Solana — either network works.
X402node · Chain GAS Compare
api.x402node.dev
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.