$0.001
per call · USD Coin on Base
EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header)
Endpoint
GET https://api.onesource.io/api/chain/network-info433
Calls / 30d
407
Unique payers / 30d
Sep 10
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.onesource.io/api/chain/network-info", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.onesource.io/api/chain/network-info?network=ethereum" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"block_number": "0x133da1e",
"chain": {
"avg_block_time_ms": 12000,
"chain_id": 1,
"ens": true,
"finality": "beacon",
"indexed": true,
"layer": 1,
"mempool": true,
"native_currency": "ETH",
"stack": "ethereum"
},
"chain_id": "0x1",
"gas_price": "0x4a817c800",
"head_age_seconds": 9,
"head_timestamp": 1754240345,
"net_version": "1",
"network": "ethereum",
"stale": false,
"stale_after_seconds": 1200
},
"meta": {
"cost_usdc": "0.001",
"endpoint": "/api/chain/network-info",
"payment_chain": "base",
"payment_token": "USDC",
"request_id": "00000000abcdef01"
}
}Payment details
0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3eaUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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