Outlier detection (IQR + · Outliers

by Outlier detection (IQR +

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.001

per call · USD Coin on Base

Flag outliers in a numeric series using either the IQR rule (Tukey fences at 1.5·IQR - robust, default) or z-score (|z| > threshold - assumes normality). Returns the outlier values + their indices + the thresholds used so you can decide whether to trust them.

Endpoint

POST https://agent402.tools/api/outliers

4

Calls / 30d

1

Unique payers / 30d

Aug 31

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
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://agent402.tools/api/outliers", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "method": "iqr",
    "values": [
      1,
      2,
      3,
      4,
      5,
      6,
      7,
      8,
      9,
      100
    ]
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://agent402.tools/api/outliers" \
  -H "Content-Type: application/json" \
  -d '{"method":"iqr","values":[1,2,3,4,5,6,7,8,9,100]}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "lowerBound": -4.625,
  "method": "iqr",
  "n": 10,
  "outlierCount": 1,
  "outliers": [
    {
      "index": 9,
      "value": 100
    }
  ],
  "threshold": 1.5,
  "upperBound": 14.375
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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