$0.03
per call · USD Coin on Base
Where positioning changed: open-interest jumps and funding-rate flips across 320 markets, as ready-to-read lines. Falls back to the last hour when the current cycle is quiet, so the answer is never empty
Endpoint
GET https://whaletape.xyz/signals15
Calls / 30d
1
Unique payers / 30d
Aug 31
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://whaletape.xyz/signals", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://whaletape.xyz/signals" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"signals": [
"[OI][crypto] XRP: open interest rising +14.7% (px 1.68 -> 1.45)"
],
"updated_at": "2026-08-23T01:39:43Z",
"window": "current cycle"
}Payment details
0x25a8b697da5c0baf698fd6bd9701b5e825214145USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Market Data and the homepage with a featured placement.
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