68trust / 100

Pro Screener

by api.seerium.xyz in Markets & finance

x402 APIPassing, checked 2 h ago

Polymarket API and prediction market pro screener for agents. Ranks setups by score, confidence, liquidity, spread, volume, momentum, and mispricing.

GET https://api.seerium.xyz/v1/pro/screener

Last 30 days

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Status and outage history · Atom feed

Uptime
100%
Response time
258 ms typical, 440 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

GET https://api.seerium.xyz/v1/pro/screener

Each call costs $0.1 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://api.seerium.xyz/v1/pro/screener?limit=3

Parameters

ParameterTypeRequiredDescription
limitnumberNoOptional maximum advanced screener rows to return. Defaults to 200.
maxSpreadnumberNoOptional maximum order book spread.
minConfidencenumberNoOptional minimum Seerium agent confidence score.
minLiquiditynumberNoOptional minimum prediction-market liquidity in USD.
presetstringNoOptional advanced prediction-market screener preset for top movers or top setups. One of: top_movers, top_setups.
sortBystringNoOptional metric to sort by, such as setupScore, liquidity, volume, momentumMedium, or mispricingScore. Defaults to setupScore.
sortDirstringNoOptional sort direction. Defaults to desc. One of: asc, desc.
sourcestringNoOptional market source filter, for example polymarket.

Example response

The provider's example. We can't check it without paying.

Example response, 54 lines
{
  "data": {
    "rows": [
      {
        "agentConfidence": 0,
        "liquidity": 1201662.28,
        "marketId": "1919425",
        "marketName": "US x Iran permanent peace deal by May 31, 2026?",
        "mispricingScore": 0.02,
        "momentumMedium": 0,
        "momentumShort": -0.005,
        "setupScore": 15,
        "slippageProxy": 0.00912,
        "source": "polymarket",
        "spread": 0.01,
        "updatedAt": "2026-03-25T11:59:30.000Z",
        "volatility": 0,
        "volume": 5768589.43
      }
    ]
  },
  "meta": {
    "freshnessMs": 30000,
    "generatedAt": "2026-03-25T12:00:00.000Z",
    "requestId": "req_example_123",
    "updatedAt": "2026-03-25T11:59:30.000Z"
  },
  "product": {
    "accepts": [
      {
        "network": "eip155:8453",
        "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
        "price": "$0.0010",
        "scheme": "exact"
      },
      {
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "price": "$0.0010",
        "scheme": "exact"
      }
    ],
    "id": "pro-screener",
    "method": "GET",
    "name": "Polymarket Pro Screener API",
    "networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "path": "/v1/pro/screener",
    "price": "$0.0010"
  },
  "service": "seerium-x402-api"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.1.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.seerium.xyz/v1/pro/screener?limit=3'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.seerium.xyz/v1/pro/screener?limit=3' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.seerium.xyz%2Fv1%2Fpro%2Fscreener
const res = await pay("https://api.seerium.xyz/v1/pro/screener?limit=3");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.seerium.xyz/v1/pro/screener?limit=3")
    print(res.status_code, res.text)

Security scan

  • Charges more than its listed price in payment
    Listed at $0.001, charges $0.1

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402323 ms$0.1
6 h agoPassed402348 ms$0.1
10 h agoPassed402385 ms$0.1
14 h agoPassed402365 ms$0.1
18 h agoPassed402319 ms$0.1
21 h agoPassed402339 ms$0.1
25 h agoPassed402483 ms$0.1
29 h agoPassed402214 ms$0.1
33 h agoPassed402215 ms$0.1
36 h agoPassed402217 ms$0.1
40 h agoPassed402258 ms$0.1
43 h agoPassed402250 ms$0.1
47 h agoPassed402225 ms$0.1
2 days agoPassed402235 ms$0.1
2 days agoPassed402375 ms$0.1

History

11 Oct 2026Price changed from $0.001 to $0.1