$0.05
per call · USD Coin on Base
Pay once to register a price-threshold alert on any Base token. Supply target price, direction (above/below), and an https webhook URL. A polling cron (daily by default; configurable to ~minutes) checks DexScreener and POSTs your webhook when it crosses. Expires after 30 days. Or omit the webhook and poll with check=<id>: the verdict is THRESHOLD_MET, ok, FIRED, or unknown when the price feed could not be read.
Endpoint
GET https://402.com.tr/api/x402/price-alert2
Calls / 30d
1
Unique payers / 30d
Sep 4
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://402.com.tr/api/x402/price-alert", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://402.com.tr/api/x402/price-alert?direction=above&threshold=0.01&token=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"alertId": "alrt_7d4e3f9c",
"direction": "above",
"expiresInDays": 30,
"fired": false,
"priceAtCreate": 0.0072,
"registered": true,
"threshold": 0.01,
"token": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
}Payment details
0x973a31858f4d2125f48c880542da11a2796f12d6USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Onchain Data and the homepage with a featured placement.
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