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=3Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | number | No | Optional maximum advanced screener rows to return. Defaults to 200. |
maxSpread | number | No | Optional maximum order book spread. |
minConfidence | number | No | Optional minimum Seerium agent confidence score. |
minLiquidity | number | No | Optional minimum prediction-market liquidity in USD. |
preset | string | No | Optional advanced prediction-market screener preset for top movers or top setups. One of: top_movers, top_setups. |
sortBy | string | No | Optional metric to sort by, such as setupScore, liquidity, volume, momentumMedium, or mispricingScore. Defaults to setupScore. |
sortDir | string | No | Optional sort direction. Defaults to desc. One of: asc, desc. |
source | string | No | Optional 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 --decodeJavaScript: 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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 323 ms | $0.1 |
| 6 h ago | Passed | 402 | 348 ms | $0.1 |
| 10 h ago | Passed | 402 | 385 ms | $0.1 |
| 14 h ago | Passed | 402 | 365 ms | $0.1 |
| 18 h ago | Passed | 402 | 319 ms | $0.1 |
| 21 h ago | Passed | 402 | 339 ms | $0.1 |
| 25 h ago | Passed | 402 | 483 ms | $0.1 |
| 29 h ago | Passed | 402 | 214 ms | $0.1 |
| 33 h ago | Passed | 402 | 215 ms | $0.1 |
| 36 h ago | Passed | 402 | 217 ms | $0.1 |
| 40 h ago | Passed | 402 | 258 ms | $0.1 |
| 43 h ago | Passed | 402 | 250 ms | $0.1 |
| 47 h ago | Passed | 402 | 225 ms | $0.1 |
| 2 days ago | Passed | 402 | 235 ms | $0.1 |
| 2 days ago | Passed | 402 | 375 ms | $0.1 |
History
| 11 Oct 2026 | Price changed from $0.001 to $0.1 |